


/// <reference name="MicrosoftAjax.debug.js" />
/// <reference name="MicrosoftAjaxTimer.debug.js" />
/// <reference name="MicrosoftAjaxWebForms.debug.js" />

(function() {
var scriptName = "ExtendedCommon";

function execute() {

// Add common toolkit scripts here.  To consume the scripts on a control add
// 
//      [RequiredScript(typeof(CommonToolkitScripts))] 
//      public class SomeExtender : ...
// 
// to the controls extender class declaration.

var version = Sys.version;
if (!version && !Sys._versionChecked) {
    Sys._versionChecked = true;
    throw new Error("AjaxControlToolkit requires ASP.NET Ajax 4.0 scripts. Ensure the correct version of the scripts are referenced. If you are using an ASP.NET ScriptManager, switch to the AjaxScriptManager in System.Web.Ajax.dll, or use the ToolkitScriptManager in AjaxControlToolkit.dll.");
}

Type.registerNamespace('Sys.Extended.UI');


Sys.Extended.UI.BoxSide = function() {
    /// <summary>
    /// The BoxSide enumeration describes the sides of a DOM element
    /// </summary>
    /// <field name="Top" type="Number" integer="true" static="true" />
    /// <field name="Right" type="Number" integer="true" static="true" />
    /// <field name="Bottom" type="Number" integer="true" static="true" />
    /// <field name="Left" type="Number" integer="true" static="true" />
}
Sys.Extended.UI.BoxSide.prototype = {
    Top : 0,
    Right : 1,
    Bottom : 2,
    Left : 3
}
Sys.Extended.UI.BoxSide.registerEnum("Sys.Extended.UI.BoxSide", false);


Sys.Extended.UI._CommonToolkitScripts = function() {
    /// <summary>
    /// The _CommonToolkitScripts class contains functionality utilized across a number
    /// of controls (but not universally)
    /// </summary>
    /// <remarks>
    /// You should not create new instances of _CommonToolkitScripts.  Instead you should use the shared instance CommonToolkitScripts (or Sys.Extended.UI.CommonToolkitScripts).
    /// </remarks>
}
Sys.Extended.UI._CommonToolkitScripts.prototype = {
    // The order of these lookup tables is directly linked to the BoxSide enum defined above
    _borderStyleNames: ["borderTopStyle", "borderRightStyle", "borderBottomStyle", "borderLeftStyle"],
    _borderWidthNames: ["borderTopWidth", "borderRightWidth", "borderBottomWidth", "borderLeftWidth"],
    _paddingWidthNames: ["paddingTop", "paddingRight", "paddingBottom", "paddingLeft"],
    _marginWidthNames: ["marginTop", "marginRight", "marginBottom", "marginLeft"],

    getCurrentStyle: function(element, attribute, defaultValue) {
        /// <summary>
        /// CommonToolkitScripts.getCurrentStyle is used to compute the value of a style attribute on an
        /// element that is currently being displayed.  This is especially useful for scenarios where
        /// several CSS classes and style attributes are merged, or when you need information about the
        /// size of an element (such as its padding or margins) that is not exposed in any other fashion.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// Live DOM element to check style of
        /// </param>
        /// <param name="attribute" type="String">
        /// The style attribute's name is expected to be in a camel-cased form that you would use when
        /// accessing a JavaScript property instead of the hyphenated form you would use in a CSS
        /// stylesheet (i.e. it should be "backgroundColor" and not "background-color").
        /// </param>
        /// <param name="defaultValue" type="Object" mayBeNull="true" optional="true">
        /// In the event of a problem (i.e. a null element or an attribute that cannot be found) we
        /// return this object (or null if none if not specified).
        /// </param>
        /// <returns type="Object">
        /// Current style of the element's attribute
        /// </returns>

        var currentValue = null;
        if (element) {
            if (element.currentStyle) {
                currentValue = element.currentStyle[attribute];
            } else if (document.defaultView && document.defaultView.getComputedStyle) {
                var style = document.defaultView.getComputedStyle(element, null);
                if (style) {
                    currentValue = style[attribute];
                }
            }

            if (!currentValue && element.style.getPropertyValue) {
                currentValue = element.style.getPropertyValue(attribute);
            }
            else if (!currentValue && element.style.getAttribute) {
                currentValue = element.style.getAttribute(attribute);
            }
        }

        if ((!currentValue || currentValue == "" || typeof (currentValue) === 'undefined')) {
            if (typeof (defaultValue) != 'undefined') {
                currentValue = defaultValue;
            }
            else {
                currentValue = null;
            }
        }
        return currentValue;
    },

    getInheritedBackgroundColor: function(element) {
        /// <summary>
        /// CommonToolkitScripts.getInheritedBackgroundColor provides the ability to get the displayed
        /// background-color of an element.  In most cases calling CommonToolkitScripts.getCurrentStyle
        /// won't do the job because it will return "transparent" unless the element has been given a
        /// specific background color.  This function will walk up the element's parents until it finds
        /// a non-transparent color.  If we get all the way to the top of the document or have any other
        /// problem finding a color, we will return the default value '#FFFFFF'.  This function is
        /// especially important when we're using opacity in IE (because ClearType will make text look
        /// horrendous if you fade it with a transparent background color).
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// Live DOM element to get the background color of
        /// </param>
        /// <returns type="String">
        /// Background color of the element
        /// </returns>

        if (!element) return '#FFFFFF';
        var background = this.getCurrentStyle(element, 'backgroundColor');
        try {
            while (!background || background == '' || background == 'transparent' || background == 'rgba(0, 0, 0, 0)') {
                element = element.parentNode;
                if (!element) {
                    background = '#FFFFFF';
                } else {
                    background = this.getCurrentStyle(element, 'backgroundColor');
                }
            }
        } catch (ex) {
            background = '#FFFFFF';
        }
        return background;
    },

    getLocation: function(element) {
        /// <summary>Gets the coordinates of a DOM element.</summary>
        /// <param name="element" domElement="true"/>
        /// <returns type="Sys.UI.Point">
        ///   A Point object with two fields, x and y, which contain the pixel coordinates of the element.
        /// </returns>
        return Sys.UI.DomElement.getLocation(element);
    },

    setLocation: function(element, point) {
        /// <summary>
        /// Sets the current location for an element.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <param name="point" type="Object">
        /// Point object (of the form {x,y})
        /// </param>
        /// <remarks>
        /// This method does not attempt to set the positioning mode of an element.
        /// The position is relative from the elements nearest position:relative or
        /// position:absolute element.
        /// </remarks>
        Sys.UI.DomElement.setLocation(element, point.x, point.y);
    },

    getContentSize: function(element) {
        /// <summary>
        /// Gets the "content-box" size of an element.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <returns type="Object">
        /// Size of the element (in the form {width,height})
        /// </returns>
        /// <remarks>
        /// The "content-box" is the size of the content area *inside* of the borders and
        /// padding of an element. The "content-box" size does not include the margins around
        /// the element.
        /// </remarks>

        if (!element) {
            throw Error.argumentNull('element');
        }
        var size = this.getSize(element);
        var borderBox = this.getBorderBox(element);
        var paddingBox = this.getPaddingBox(element);
        return {
            width: size.width - borderBox.horizontal - paddingBox.horizontal,
            height: size.height - borderBox.vertical - paddingBox.vertical
        }
    },

    getSize: function(element) {
        /// <summary>
        /// Gets the "border-box" size of an element.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <returns type="Object">
        /// Size of the element (in the form {width,height})
        /// </returns>
        /// <remarks>
        /// The "border-box" is the size of the content area *outside* of the borders and
        /// padding of an element.  The "border-box" size does not include the margins around
        /// the element.
        /// </remarks>

        if (!element) {
            throw Error.argumentNull('element');
        }
        return {
            width: element.offsetWidth,
            height: element.offsetHeight
        };
    },

    setContentSize: function(element, size) {
        /// <summary>
        /// Sets the "content-box" size of an element.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <param name="size" type="Object">
        /// Size of the element (in the form {width,height})
        /// </param>
        /// <remarks>
        /// The "content-box" is the size of the content area *inside* of the borders and
        /// padding of an element. The "content-box" size does not include the margins around
        /// the element.
        /// </remarks>

        if (!element) {
            throw Error.argumentNull('element');
        }
        if (!size) {
            throw Error.argumentNull('size');
        }
        // FF respects -moz-box-sizing css extension, so adjust the box size for the border-box
        if (this.getCurrentStyle(element, 'MozBoxSizing') == 'border-box' || this.getCurrentStyle(element, 'BoxSizing') == 'border-box') {
            var borderBox = this.getBorderBox(element);
            var paddingBox = this.getPaddingBox(element);
            size = {
                width: size.width + borderBox.horizontal + paddingBox.horizontal,
                height: size.height + borderBox.vertical + paddingBox.vertical
            };
        }
        element.style.width = size.width.toString() + 'px';
        element.style.height = size.height.toString() + 'px';
    },

    setSize: function(element, size) {
        /// <summary>
        /// Sets the "border-box" size of an element.
        /// </summary>
        /// <remarks>
        /// The "border-box" is the size of the content area *outside* of the borders and 
        /// padding of an element.  The "border-box" size does not include the margins around
        /// the element.
        /// </remarks>
        /// <param name="element" type="Sys.UI.DomElement">DOM element</param>
        /// <param name="size" type="Object">Size of the element (in the form {width,height})</param>
        /// <returns />

        if (!element) {
            throw Error.argumentNull('element');
        }
        if (!size) {
            throw Error.argumentNull('size');
        }
        var borderBox = this.getBorderBox(element);
        var paddingBox = this.getPaddingBox(element);
        var contentSize = {
            width: size.width - borderBox.horizontal - paddingBox.horizontal,
            height: size.height - borderBox.vertical - paddingBox.vertical
        };
        this.setContentSize(element, contentSize);
    },

    getBounds: function(element) {
        /// <summary>Gets the coordinates, width and height of an element.</summary>
        /// <param name="element" domElement="true"/>
        /// <returns type="Sys.UI.Bounds">
        ///   A Bounds object with four fields, x, y, width and height, which contain the pixel coordinates,
        ///   width and height of the element.
        /// </returns>
        return Sys.UI.DomElement.getBounds(element);
    },

    setBounds: function(element, bounds) {
        /// <summary>
        /// Sets the "border-box" bounds of an element
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <param name="bounds" type="Object">
        /// Bounds of the element (of the form {x,y,width,height})
        /// </param>
        /// <remarks>
        /// The "border-box" is the size of the content area *outside* of the borders and
        /// padding of an element.  The "border-box" size does not include the margins around
        /// the element.
        /// </remarks>

        if (!element) {
            throw Error.argumentNull('element');
        }
        if (!bounds) {
            throw Error.argumentNull('bounds');
        }
        this.setSize(element, bounds);
        $common.setLocation(element, bounds);
    },

    getClientBounds: function() {
        /// <summary>
        /// Gets the width and height of the browser client window (excluding scrollbars)
        /// </summary>
        /// <returns type="Sys.UI.Bounds">
        /// Browser's client width and height
        /// </returns>

        var clientWidth;
        var clientHeight;

        // getClientBounds must return dimensions excluding scrollbars, so cannot use window.innerWidth and window.innerHeight.
        if (document.compatMode == "CSS1Compat") {
            // Standards-compliant mode
            clientWidth = document.documentElement.clientWidth;
            clientHeight = document.documentElement.clientHeight;
        }
        else {
            // Quirks mode
            clientWidth = document.body.clientWidth;
            clientHeight = document.body.clientHeight;
        }
        return new Sys.UI.Bounds(0, 0, clientWidth, clientHeight);
    },

    getMarginBox: function(element) {
        /// <summary>
        /// Gets the entire margin box sizes.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <returns type="Object">
        /// Element's margin box sizes (of the form {top,left,bottom,right,horizontal,vertical})
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }
        var box = {
            top: this.getMargin(element, Sys.Extended.UI.BoxSide.Top),
            right: this.getMargin(element, Sys.Extended.UI.BoxSide.Right),
            bottom: this.getMargin(element, Sys.Extended.UI.BoxSide.Bottom),
            left: this.getMargin(element, Sys.Extended.UI.BoxSide.Left)
        };
        box.horizontal = box.left + box.right;
        box.vertical = box.top + box.bottom;
        return box;
    },

    getBorderBox: function(element) {
        /// <summary>
        /// Gets the entire border box sizes.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <returns type="Object">
        /// Element's border box sizes (of the form {top,left,bottom,right,horizontal,vertical})
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }
        var box = {
            top: this.getBorderWidth(element, Sys.Extended.UI.BoxSide.Top),
            right: this.getBorderWidth(element, Sys.Extended.UI.BoxSide.Right),
            bottom: this.getBorderWidth(element, Sys.Extended.UI.BoxSide.Bottom),
            left: this.getBorderWidth(element, Sys.Extended.UI.BoxSide.Left)
        };
        box.horizontal = box.left + box.right;
        box.vertical = box.top + box.bottom;
        return box;
    },

    getPaddingBox: function(element) {
        /// <summary>
        /// Gets the entire padding box sizes.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <returns type="Object">
        /// Element's padding box sizes (of the form {top,left,bottom,right,horizontal,vertical})
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }
        var box = {
            top: this.getPadding(element, Sys.Extended.UI.BoxSide.Top),
            right: this.getPadding(element, Sys.Extended.UI.BoxSide.Right),
            bottom: this.getPadding(element, Sys.Extended.UI.BoxSide.Bottom),
            left: this.getPadding(element, Sys.Extended.UI.BoxSide.Left)
        };
        box.horizontal = box.left + box.right;
        box.vertical = box.top + box.bottom;
        return box;
    },

    isBorderVisible: function(element, boxSide) {
        /// <summary>
        /// Gets whether the current border style for an element on a specific boxSide is not 'none'.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <param name="boxSide" type="Sys.Extended.UI.BoxSide">
        /// Side of the element
        /// </param>
        /// <returns type="Boolean">
        /// Whether the current border style for an element on a specific boxSide is not 'none'.
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }
        if (boxSide < Sys.Extended.UI.BoxSide.Top || boxSide > Sys.Extended.UI.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'Sys.Extended.UI.BoxSide'));
        }
        var styleName = this._borderStyleNames[boxSide];
        var styleValue = this.getCurrentStyle(element, styleName);
        return styleValue != "none";
    },

    getMargin: function(element, boxSide) {
        /// <summary>
        /// Gets the margin thickness of an element on a specific boxSide.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <param name="boxSide" type="Sys.Extended.UI.BoxSide">
        /// Side of the element
        /// </param>
        /// <returns type="Number" integer="true">
        /// Margin thickness on the element's specified side
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }
        if (boxSide < Sys.Extended.UI.BoxSide.Top || boxSide > Sys.Extended.UI.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'Sys.Extended.UI.BoxSide'));
        }
        var styleName = this._marginWidthNames[boxSide];
        var styleValue = this.getCurrentStyle(element, styleName);
        try { return this.parsePadding(styleValue); } catch (ex) { return 0; }
    },

    getBorderWidth: function(element, boxSide) {
        /// <summary>
        /// Gets the border thickness of an element on a specific boxSide.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <param name="boxSide" type="Sys.Extended.UI.BoxSide">
        /// Side of the element
        /// </param>
        /// <returns type="Number" integer="true">
        /// Border thickness on the element's specified side
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }
        if (boxSide < Sys.Extended.UI.BoxSide.Top || boxSide > Sys.Extended.UI.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'Sys.Extended.UI.BoxSide'));
        }
        if (!this.isBorderVisible(element, boxSide)) {
            return 0;
        }
        var styleName = this._borderWidthNames[boxSide];
        var styleValue = this.getCurrentStyle(element, styleName);
        return this.parseBorderWidth(styleValue);
    },

    getPadding: function(element, boxSide) {
        /// <summary>
        /// Gets the padding thickness of an element on a specific boxSide.
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// DOM element
        /// </param>
        /// <param name="boxSide" type="Sys.Extended.UI.BoxSide">
        /// Side of the element
        /// </param>
        /// <returns type="Number" integer="true">
        /// Padding on the element's specified side
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }
        if (boxSide < Sys.Extended.UI.BoxSide.Top || boxSide > Sys.Extended.UI.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'Sys.Extended.UI.BoxSide'));
        }
        var styleName = this._paddingWidthNames[boxSide];
        var styleValue = this.getCurrentStyle(element, styleName);
        return this.parsePadding(styleValue);
    },

    parseBorderWidth: function(borderWidth) {
        /// <summary>
        /// Parses a border-width string into a pixel size
        /// </summary>
        /// <param name="borderWidth" type="String" mayBeNull="true">
        /// Type of border ('thin','medium','thick','inherit',px unit,null,'')
        /// </param>
        /// <returns type="Number" integer="true">
        /// Number of pixels in the border-width
        /// </returns>
        if (!this._borderThicknesses) {

            // Populate the borderThicknesses lookup table
            var borderThicknesses = {};
            var div0 = document.createElement('div');
            div0.style.visibility = 'hidden';
            div0.style.position = 'absolute';
            div0.style.fontSize = '1px';
            document.body.appendChild(div0)
            var div1 = document.createElement('div');
            div1.style.height = '0px';
            div1.style.overflow = 'hidden';
            div0.appendChild(div1);
            var base = div0.offsetHeight;
            div1.style.borderTop = 'solid black';
            div1.style.borderTopWidth = 'thin';
            borderThicknesses['thin'] = div0.offsetHeight - base;
            div1.style.borderTopWidth = 'medium';
            borderThicknesses['medium'] = div0.offsetHeight - base;
            div1.style.borderTopWidth = 'thick';
            borderThicknesses['thick'] = div0.offsetHeight - base;
            div0.removeChild(div1);
            document.body.removeChild(div0);
            this._borderThicknesses = borderThicknesses;
        }

        if (borderWidth) {
            switch (borderWidth) {
                case 'thin':
                case 'medium':
                case 'thick':
                    return this._borderThicknesses[borderWidth];
                case 'inherit':
                    return 0;
            }
            var unit = this.parseUnit(borderWidth);
            Sys.Debug.assert(unit.type == 'px', String.format(Sys.Extended.UI.Resources.Common_InvalidBorderWidthUnit, unit.type));
            return unit.size;
        }
        return 0;
    },

    parsePadding: function(padding) {
        /// <summary>
        /// Parses a padding string into a pixel size
        /// </summary>
        /// <param name="padding" type="String" mayBeNull="true">
        /// Padding to parse ('inherit',px unit,null,'')
        /// </param>
        /// <returns type="Number" integer="true">
        /// Number of pixels in the padding
        /// </returns>

        if (padding) {
            if (padding == 'inherit') {
                return 0;
            }
            var unit = this.parseUnit(padding);
            if (unit.type !== 'px') {
                Sys.Debug.fail(String.format(Sys.Extended.UI.Resources.Common_InvalidPaddingUnit, unit.type));
            }
            return unit.size;
        }
        return 0;
    },

    parseUnit: function(value) {
        /// <summary>
        /// Parses a unit string into a unit object
        /// </summary>
        /// <param name="value" type="String" mayBeNull="true">
        /// Value to parse (of the form px unit,% unit,em unit,...)
        /// </param>
        /// <returns type="Object">
        /// Parsed unit (of the form {size,type})
        /// </returns>

        if (!value) {
            throw Error.argumentNull('value');
        }

        value = value.trim().toLowerCase();
        var l = value.length;
        var s = -1;
        for (var i = 0; i < l; i++) {
            var ch = value.substr(i, 1);
            if ((ch < '0' || ch > '9') && ch != '-' && ch != '.' && ch != ',') {
                break;
            }
            s = i;
        }
        if (s == -1) {
            throw Error.create(Sys.Extended.UI.Resources.Common_UnitHasNoDigits);
        }
        var type;
        var size;
        if (s < (l - 1)) {
            type = value.substring(s + 1).trim();
        } else {
            type = 'px';
        }
        size = parseFloat(value.substr(0, s + 1));
        if (type == 'px') {
            size = Math.floor(size);
        }
        return {
            size: size,
            type: type
        };
    },

    getElementOpacity: function(element) {
        /// <summary>
        /// Get the element's opacity
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// Element
        /// </param>
        /// <returns type="Number">
        /// Opacity of the element
        /// </returns>

        if (!element) {
            throw Error.argumentNull('element');
        }

        var hasOpacity = false;
        var opacity;

        if (element.filters) {
            var filters = element.filters;
            if (filters.length !== 0) {
                var alphaFilter = filters['DXImageTransform.Microsoft.Alpha'];
                if (alphaFilter) {
                    opacity = alphaFilter.opacity / 100.0;
                    hasOpacity = true;
                }
            }
        }
        else {
            opacity = this.getCurrentStyle(element, 'opacity', 1);
            hasOpacity = true;
        }

        if (hasOpacity === false) {
            return 1.0;
        }
        return parseFloat(opacity);
    },

    setElementOpacity: function(element, value) {
        /// <summary>
        /// Set the element's opacity
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// Element
        /// </param>
        /// <param name="value" type="Number">
        /// Opacity of the element
        /// </param>

        if (!element) {
            throw Error.argumentNull('element');
        }

        if (element.filters) {
            var filters = element.filters;
            var createFilter = true;
            if (filters.length !== 0) {
                var alphaFilter = filters['DXImageTransform.Microsoft.Alpha'];
                if (alphaFilter) {
                    createFilter = false;
                    alphaFilter.opacity = value * 100;
                }
            }
            if (createFilter) {
                element.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + (value * 100) + ')';
            }
        }
        else {
            element.style.opacity = value;
        }
    },

    getVisible: function(element) {
        /// <summary>
        /// Check if an element is visible
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// Element
        /// </param>
        /// <returns type="Boolean" mayBeNull="false">
        /// True if the element is visible, false otherwise
        /// </returns>

        // Note: reference to CommonToolkitScripts must be left intact (i.e. don't
        // replace with 'this') because this function will be aliased

        return (element &&
                ("none" != $common.getCurrentStyle(element, "display")) &&
                ("hidden" != $common.getCurrentStyle(element, "visibility")));
    },

    setVisible: function(element, value) {
        /// <summary>
        /// Check if an element is visible
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement" domElement="true">
        /// Element
        /// </param>
        /// <param name="value" type="Boolean" mayBeNull="false">
        /// True to make the element visible, false to hide it
        /// </param>

        // Note: reference to CommonToolkitScripts must be left intact (i.e. don't
        // replace with 'this') because this function will be aliased

        if (element && value != $common.getVisible(element)) {
            if (value) {
                if (element.style.removeAttribute) {
                    element.style.removeAttribute("display");
                } else {
                    element.style.removeProperty("display");
                }
            } else {
                element.style.display = 'none';
            }
            element.style.visibility = value ? 'visible' : 'hidden';
        }
    },

    resolveFunction: function(value) {
        /// <summary>
        /// Returns a function reference that corresponds to the provided value
        /// </summary>
        /// <param name="value" type="Object">
        /// The value can either be a Function, the name of a function (that can be found using window['name']),
        /// or an expression that evaluates to a function.
        /// </param>
        /// <returns type="Function">
        /// Reference to the function, or null if not found
        /// </returns>

        if (value) {
            if (value instanceof Function) {
                return value;
            } else if (String.isInstanceOfType(value) && value.length > 0) {
                var func;
                if ((func = window[value]) instanceof Function) {
                    return func;
                } else if ((func = eval(value)) instanceof Function) {
                    return func;
                }
            }
        }
        return null;
    },

    addCssClasses: function(element, classNames) {
        /// <summary>
        /// Adds multiple css classes to a DomElement
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement">The element to modify</param>
        /// <param name="classNames" type="Array">The class names to add</param>

        for (var i = 0; i < classNames.length; i++) {
            Sys.UI.DomElement.addCssClass(element, classNames[i]);
        }
    },
    removeCssClasses: function(element, classNames) {
        /// <summary>
        /// Removes multiple css classes to a DomElement
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement">The element to modify</param>
        /// <param name="classNames" type="Array">The class names to remove</param>

        for (var i = 0; i < classNames.length; i++) {
            Sys.UI.DomElement.removeCssClass(element, classNames[i]);
        }
    },
    setStyle: function(element, style) {
        /// <summary>
        /// Sets the style of the element using the supplied style template object
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement">The element to modify</param>
        /// <param name="style" type="Object">The template</param>

        $common.applyProperties(element.style, style);
    },
    removeHandlers: function(element, events) {
        /// <summary>
        /// Removes a set of event handlers from an element
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement">The element to modify</param>
        /// <param name="events" type="Object">The template object that contains event names and delegates</param>
        /// <remarks>
        /// This is NOT the same as $clearHandlers which removes all delegates from a DomElement.  This rather removes select delegates 
        /// from a specified element and has a matching signature as $addHandlers
        /// </remarks>
        for (var name in events) {
            $removeHandler(element, name, events[name]);
        }
    },

    overlaps: function(r1, r2) {
        /// <summary>
        /// Determine if two rectangles overlap
        /// </summary>
        /// <param name="r1" type="Object">
        /// Rectangle
        /// </param>
        /// <param name="r2" type="Object">
        /// Rectangle
        /// </param>
        /// <returns type="Boolean">
        /// True if the rectangles overlap, false otherwise
        /// </returns>

        return r1.x < (r2.x + r2.width)
                && r2.x < (r1.x + r1.width)
                && r1.y < (r2.y + r2.height)
                && r2.y < (r1.y + r1.height);
    },

    containsPoint: function(rect, x, y) {
        /// <summary>
        /// Tests whether a point (x,y) is contained within a rectangle
        /// </summary>
        /// <param name="rect" type="Object">The rectangle</param>
        /// <param name="x" type="Number">The x coordinate of the point</param>
        /// <param name="y" type="Number">The y coordinate of the point</param>

        return x >= rect.x && x < (rect.x + rect.width) && y >= rect.y && y < (rect.y + rect.height);
    },

    isKeyDigit: function(keyCode) {
        /// <summary>
        /// Gets whether the supplied key-code is a digit
        /// </summary>
        /// <param name="keyCode" type="Number" integer="true">The key code of the event (from Sys.UI.DomEvent)</param>
        /// <returns type="Boolean" />

        return (0x30 <= keyCode && keyCode <= 0x39);
    },

    isKeyNavigation: function(keyCode) {
        /// <summary>
        /// Gets whether the supplied key-code is a navigation key
        /// </summary>
        /// <param name="keyCode" type="Number" integer="true">The key code of the event (from Sys.UI.DomEvent)</param>
        /// <returns type="Boolean" />

        return (Sys.UI.Key.left <= keyCode && keyCode <= Sys.UI.Key.down);
    },

    padLeft: function(text, size, ch, truncate) {
        /// <summary>
        /// Pads the left hand side of the supplied text with the specified pad character up to the requested size
        /// </summary>
        /// <param name="text" type="String">The text to pad</param>
        /// <param name="size" type="Number" integer="true" optional="true">The size to pad the text (default is 2)</param>
        /// <param name="ch" type="String" optional="true">The single character to use as the pad character (default is ' ')</param>
        /// <param name="truncate" type="Boolean" optional="true">Whether to truncate the text to size (default is false)</param>

        return $common._pad(text, size || 2, ch || ' ', 'l', truncate || false);
    },

    padRight: function(text, size, ch, truncate) {
        /// <summary>
        /// Pads the right hand side of the supplied text with the specified pad character up to the requested size
        /// </summary>
        /// <param name="text" type="String">The text to pad</param>
        /// <param name="size" type="Number" integer="true" optional="true">The size to pad the text (default is 2)</param>
        /// <param name="ch" type="String" optional="true">The single character to use as the pad character (default is ' ')</param>
        /// <param name="truncate" type="Boolean" optional="true">Whether to truncate the text to size (default is false)</param>

        return $common._pad(text, size || 2, ch || ' ', 'r', truncate || false);
    },

    _pad: function(text, size, ch, side, truncate) {
        /// <summary>
        /// Pads supplied text with the specified pad character up to the requested size
        /// </summary>
        /// <param name="text" type="String">The text to pad</param>
        /// <param name="size" type="Number" integer="true">The size to pad the text</param>
        /// <param name="ch" type="String">The single character to use as the pad character</param>
        /// <param name="side" type="String">Either 'l' or 'r' to siginfy whether to pad the Left or Right side respectively</param>
        /// <param name="truncate" type="Boolean">Whether to truncate the text to size</param>

        text = text.toString();
        var length = text.length;
        var builder = new Sys.StringBuilder();
        if (side == 'r') {
            builder.append(text);
        }
        while (length < size) {
            builder.append(ch);
            length++;
        }
        if (side == 'l') {
            builder.append(text);
        }
        var result = builder.toString();
        if (truncate && result.length > size) {
            if (side == 'l') {
                result = result.substr(result.length - size, size);
            } else {
                result = result.substr(0, size);
            }
        }
        return result;
    },

    __DOMEvents: {
        focusin: { eventGroup: "UIEvents", init: function(e, p) { e.initUIEvent("focusin", true, false, window, 1); } },
        focusout: { eventGroup: "UIEvents", init: function(e, p) { e.initUIEvent("focusout", true, false, window, 1); } },
        activate: { eventGroup: "UIEvents", init: function(e, p) { e.initUIEvent("activate", true, true, window, 1); } },
        focus: { eventGroup: "UIEvents", init: function(e, p) { e.initUIEvent("focus", false, false, window, 1); } },
        blur: { eventGroup: "UIEvents", init: function(e, p) { e.initUIEvent("blur", false, false, window, 1); } },
        click: { eventGroup: "MouseEvents", init: function(e, p) { e.initMouseEvent("click", true, true, window, 1, p.screenX || 0, p.screenY || 0, p.clientX || 0, p.clientY || 0, p.ctrlKey || false, p.altKey || false, p.shiftKey || false, p.metaKey || false, p.button || 0, p.relatedTarget || null); } },
        dblclick: { eventGroup: "MouseEvents", init: function(e, p) { e.initMouseEvent("click", true, true, window, 2, p.screenX || 0, p.screenY || 0, p.clientX || 0, p.clientY || 0, p.ctrlKey || false, p.altKey || false, p.shiftKey || false, p.metaKey || false, p.button || 0, p.relatedTarget || null); } },
        mousedown: { eventGroup: "MouseEvents", init: function(e, p) { e.initMouseEvent("mousedown", true, true, window, 1, p.screenX || 0, p.screenY || 0, p.clientX || 0, p.clientY || 0, p.ctrlKey || false, p.altKey || false, p.shiftKey || false, p.metaKey || false, p.button || 0, p.relatedTarget || null); } },
        mouseup: { eventGroup: "MouseEvents", init: function(e, p) { e.initMouseEvent("mouseup", true, true, window, 1, p.screenX || 0, p.screenY || 0, p.clientX || 0, p.clientY || 0, p.ctrlKey || false, p.altKey || false, p.shiftKey || false, p.metaKey || false, p.button || 0, p.relatedTarget || null); } },
        mouseover: { eventGroup: "MouseEvents", init: function(e, p) { e.initMouseEvent("mouseover", true, true, window, 1, p.screenX || 0, p.screenY || 0, p.clientX || 0, p.clientY || 0, p.ctrlKey || false, p.altKey || false, p.shiftKey || false, p.metaKey || false, p.button || 0, p.relatedTarget || null); } },
        mousemove: { eventGroup: "MouseEvents", init: function(e, p) { e.initMouseEvent("mousemove", true, true, window, 1, p.screenX || 0, p.screenY || 0, p.clientX || 0, p.clientY || 0, p.ctrlKey || false, p.altKey || false, p.shiftKey || false, p.metaKey || false, p.button || 0, p.relatedTarget || null); } },
        mouseout: { eventGroup: "MouseEvents", init: function(e, p) { e.initMouseEvent("mousemove", true, true, window, 1, p.screenX || 0, p.screenY || 0, p.clientX || 0, p.clientY || 0, p.ctrlKey || false, p.altKey || false, p.shiftKey || false, p.metaKey || false, p.button || 0, p.relatedTarget || null); } },
        load: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("load", false, false); } },
        unload: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("unload", false, false); } },
        select: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("select", true, false); } },
        change: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("change", true, false); } },
        submit: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("submit", true, true); } },
        reset: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("reset", true, false); } },
        resize: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("resize", true, false); } },
        scroll: { eventGroup: "HTMLEvents", init: function(e, p) { e.initEvent("scroll", true, false); } }
    },

    tryFireRawEvent: function(element, rawEvent) {
        /// <summary>
        /// Attempts to fire a raw DOM event on an element
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement">The element to fire the event</param>
        /// <param name="rawEvent" type="Object">The raw DOM event object to fire. Must not be Sys.UI.DomEvent</param>
        /// <returns type="Boolean">True if the event was successfully fired, otherwise false</returns>

        try {
            if (element.fireEvent) {
                element.fireEvent("on" + rawEvent.type, rawEvent);
                return true;
            } else if (element.dispatchEvent) {
                element.dispatchEvent(rawEvent);
                return true;
            }
        } catch (e) {
        }
        return false;
    },

    tryFireEvent: function(element, eventName, properties) {
        /// <summary>
        /// Attempts to fire a DOM event on an element
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement">The element to fire the event</param>
        /// <param name="eventName" type="String">The name of the event to fire (without an 'on' prefix)</param>
        /// <param name="properties" type="Object">Properties to add to the event</param>
        /// <returns type="Boolean">True if the event was successfully fired, otherwise false</returns>

        try {
            if (document.createEventObject) {
                var e = document.createEventObject();
                $common.applyProperties(e, properties || {});
                element.fireEvent("on" + eventName, e);
                return true;
            } else if (document.createEvent) {
                var def = $common.__DOMEvents[eventName];
                if (def) {
                    var e = document.createEvent(def.eventGroup);
                    def.init(e, properties || {});
                    element.dispatchEvent(e);
                    return true;
                }
            }
        } catch (e) {
        }
        return false;
    },

    wrapElement: function(innerElement, newOuterElement, newInnerParentElement) {
        /// <summary>
        /// Wraps an inner element with a new outer element at the same DOM location as the inner element
        /// </summary>
        /// <param name="innerElement" type="Sys.UI.DomElement">The element to be wrapped</param>
        /// <param name="newOuterElement" type="Sys.UI.DomElement">The new parent for the element</param>
        /// <returns />

        var parent = innerElement.parentNode;
        parent.replaceChild(newOuterElement, innerElement);
        (newInnerParentElement || newOuterElement).appendChild(innerElement);
    },

    unwrapElement: function(innerElement, oldOuterElement) {
        /// <summary>
        /// Unwraps an inner element from an outer element at the same DOM location as the outer element
        /// </summary>
        /// <param name="innerElement" type="Sys.UI.DomElement">The element to be wrapped</param>
        /// <param name="newOuterElement" type="Sys.UI.DomElement">The new parent for the element</param>
        /// <returns />

        var parent = oldOuterElement.parentNode;
        if (parent != null) {
            $common.removeElement(innerElement);
            parent.replaceChild(innerElement, oldOuterElement);
        }
    },

    removeElement: function(element) {
        /// <summary>
        /// Removes an element from the DOM tree
        /// </summary>
        /// <param name="element" type="Sys.UI.DomElement">The element to be removed</param>
        /// <returns />

        var parent = element.parentNode;
        if (parent != null) {
            parent.removeChild(element);
        }
    },

    applyProperties: function(target, properties) {
        /// <summary>
        /// Quick utility method to copy properties from a template object to a target object
        /// </summary>
        /// <param name="target" type="Object">The object to apply to</param>
        /// <param name="properties" type="Object">The template to copy values from</param>

        for (var p in properties) {
            var pv = properties[p];
            if (pv != null && Object.getType(pv) === Object) {
                var tv = target[p];
                $common.applyProperties(tv, pv);
            } else {
                target[p] = pv;
            }
        }
    },

    createElementFromTemplate: function(template, appendToParent, nameTable) {
        /// <summary>
        /// Creates an element for the current document based on a template object
        /// </summary>
        /// <param name="template" type="Object">The template from which to create the element</param>
        /// <param name="appendToParent" type="Sys.UI.DomElement" optional="true" mayBeNull="true">A DomElement under which to append this element</param>
        /// <param name="nameTable" type="Object" optional="true" mayBeNull="true">An object to use as the storage for the element using template.name as the key</param>
        /// <returns type="Sys.UI.DomElement" />
        /// <remarks>
        /// This method is useful if you find yourself using the same or similar DomElement constructions throughout a class.  You can even set the templates
        /// as static properties for a type to cut down on overhead.  This method is often called with a JSON style template:
        /// <code>
        /// var elt = $common.createElementFromTemplate({
        ///     nodeName : "div",
        ///     properties : {
        ///         style : {
        ///             height : "100px",
        ///             width : "100px",
        ///             backgroundColor : "white"
        ///         },
        ///         expandoAttribute : "foo"
        ///     },
        ///     events : {
        ///         click : function() { alert("foo"); },
        ///         mouseover : function() { elt.backgroundColor = "silver"; },
        ///         mouseout : function() { elt.backgroundColor = "white"; }
        ///     },
        ///     cssClasses : [ "class0", "class1" ],
        ///     visible : true,
        ///     opacity : .5
        /// }, someParent);
        /// </code>
        /// </remarks>

        // if we wish to override the name table we do so here
        if (typeof (template.nameTable) != 'undefined') {
            var newNameTable = template.nameTable;
            if (String.isInstanceOfType(newNameTable)) {
                newNameTable = nameTable[newNameTable];
            }
            if (newNameTable != null) {
                nameTable = newNameTable;
            }
        }

        // get a name for the element in the nameTable
        var elementName = null;
        if (typeof (template.name) !== 'undefined') {
            elementName = template.name;
        }

        // create or acquire the element
        var elt = document.createElement(template.nodeName);

        // if our element is named, add it to the name table
        if (typeof (template.name) !== 'undefined' && nameTable) {
            nameTable[template.name] = elt;
        }

        // if we wish to supply a default parent we do so here
        if (typeof (template.parent) !== 'undefined' && appendToParent == null) {
            var newParent = template.parent;
            if (String.isInstanceOfType(newParent)) {
                newParent = nameTable[newParent];
            }
            if (newParent != null) {
                appendToParent = newParent;
            }
        }

        // properties are applied as expando values to the element
        if (typeof (template.properties) !== 'undefined' && template.properties != null) {
            $common.applyProperties(elt, template.properties);
        }

        // css classes are added to the element's className property
        if (typeof (template.cssClasses) !== 'undefined' && template.cssClasses != null) {
            $common.addCssClasses(elt, template.cssClasses);
        }

        // events are added to the dom element using $addHandlers
        if (typeof (template.events) !== 'undefined' && template.events != null) {
            $addHandlers(elt, template.events);
        }

        // if the element is visible or not its visibility is set
        if (typeof (template.visible) !== 'undefined' && template.visible != null) {
            this.setVisible(elt, template.visible);
        }

        // if we have an appendToParent we will now append to it
        if (appendToParent) {
            appendToParent.appendChild(elt);
        }

        // if we have opacity, apply it
        if (typeof (template.opacity) !== 'undefined' && template.opacity != null) {
            $common.setElementOpacity(elt, template.opacity);
        }

        // if we have child templates, process them
        if (typeof (template.children) !== 'undefined' && template.children != null) {
            for (var i = 0; i < template.children.length; i++) {
                var subtemplate = template.children[i];
                $common.createElementFromTemplate(subtemplate, elt, nameTable);
            }
        }

        // if we have a content presenter for the element get it (the element itself is the default presenter for content)
        var contentPresenter = elt;
        if (typeof (template.contentPresenter) !== 'undefined' && template.contentPresenter != null) {
            contentPresenter = nameTable[contentPresenter];
        }

        // if we have content, add it
        if (typeof (template.content) !== 'undefined' && template.content != null) {
            var content = template.content;
            if (String.isInstanceOfType(content)) {
                content = nameTable[content];
            }
            if (content.parentNode) {
                $common.wrapElement(content, elt, contentPresenter);
            } else {
                contentPresenter.appendChild(content);
            }
        }

        // return the created element
        return elt;
    },

    prepareHiddenElementForATDeviceUpdate: function() {
        /// <summary>
        /// JAWS, an Assistive Technology device responds to updates to form elements 
        /// and refreshes its document buffer to what is showing live
        /// in the browser. To ensure that Toolkit controls that make XmlHttpRequests to
        /// retrieve content are useful to users with visual disabilities, we update a
        /// hidden form element to ensure that JAWS conveys what is in
        /// the browser. See this article for more details: 
        /// http://juicystudio.com/article/improving-ajax-applications-for-jaws-users.php
        /// This method creates a hidden input on the screen for any page that uses a Toolkit
        /// control that will perform an XmlHttpRequest.
        /// </summary>   
        var objHidden = document.getElementById('hiddenInputToUpdateATBuffer_CommonToolkitScripts');
        if (!objHidden) {
            var objHidden = document.createElement('input');
            objHidden.setAttribute('type', 'hidden');
            objHidden.setAttribute('value', '1');
            objHidden.setAttribute('id', 'hiddenInputToUpdateATBuffer_CommonToolkitScripts');
            objHidden.setAttribute('name', 'hiddenInputToUpdateATBuffer_CommonToolkitScripts');
            if (document.forms[0]) {
                document.forms[0].appendChild(objHidden);
            }
        }
    },

    updateFormToRefreshATDeviceBuffer: function() {
        /// <summary>
        /// Updates the hidden buffer to ensure that the latest document stream is picked up
        /// by the screen reader.
        /// </summary>
        var objHidden = document.getElementById('hiddenInputToUpdateATBuffer_CommonToolkitScripts');

        if (objHidden) {
            if (objHidden.getAttribute('value') == '1') {
                objHidden.setAttribute('value', '0');
            } else {
                objHidden.setAttribute('value', '1');
            }
        }
    },

    appendElementToFormOrBody: function(element) {
        /// <summary>
        /// Tries to append an element to the current form. If no form exists, the element will be appended to the body element.
        /// </summary>
        /// <param name="element" type="Object">The element to append.</param>
        if (document.forms && document.forms[0]) {
            document.forms[0].appendChild(element);
        } else {
            document.body.appendChild(element);
        }
    }
}

// getLocation implementation from msajax 4
if (document.documentElement.getBoundingClientRect) {
    Sys.UI.DomElement.getLocation = function(element) {
        /// <summary>Gets the coordinates of a DOM element.</summary>
        /// <param name="element" domElement="true"/>
        /// <returns type="Sys.UI.Point">
        ///   A Point object with two fields, x and y, which contain the pixel coordinates of the element.
        /// </returns>
        // For a document element, body, or window, return zero.
        // In IE8, the boundingClientRect for body is influenced by the bounding rect of its content, and so may not be 0,0.
        // But for positioning purposes, elements positioned at 0,0 will be at the top even if the content has margins, etc, so
        // getlocation should return 0,0 for body.
        // In all browsers, detecting the body works by seeing if the element's parent ndoe is the element's own document's documentElement node.
        if (element.self || element.nodeType === 9 || // window?
            (element === document.documentElement) || // documentElement?
            (element.parentNode === element.ownerDocument.documentElement)) { // body?
            return new Sys.UI.Point(0, 0);
        }        
        
        // Here there is a small inconsistency with what other browsers would give for wrapping elements:
        // the bounding rect can be different from the first rectangle. getBoundingRect is used here
        // because it's more consistent and because clientRects need to be offset by the coordinates
        // of the frame in the parent window, which is not always accessible to script (if it's in a different
        // domain in particular).
        var clientRect = element.getBoundingClientRect();
        if (!clientRect) {
            return new Sys.UI.Point(0,0);
        }
        // Firefox 3 can return decimals here, so round them.
        // This appears to be consistent with how the display engine actually places the element when there is a decimal.
        var ex, documentElement = element.ownerDocument.documentElement,
            offsetX = Math.round(clientRect.left) + documentElement.scrollLeft,
            offsetY = Math.round(clientRect.top) + documentElement.scrollTop;
        if (Sys.Browser.agent === Sys.Browser.InternetExplorer) {
            // When the window is an iframe, the frameborder needs to be added. This is only available from
            // script when the parent window is in the same domain as the frame, hence the try/catch.
            try {
                var f = element.ownerDocument.parentWindow.frameElement || null;
                if (f) {
                    // frameBorder has a default of "1" so undefined must map to 0, and "0" and "no" to 2.
                    var offset = (f.frameBorder === "0" || f.frameBorder === "no") ? 2 : 0;
                    offsetX += offset;
                    offsetY += offset;
                }
            }
            catch(ex) {
            }
            if (Sys.Browser.version === 7 && !document.documentMode) {
                // IE7 reapplies the page zoom level when using the returned coordinates.
                // therefore we must divide by the zoom level to compensate. This is not perfect, but close.
                // NOTE: IE8 with document.documentMode === 7 does NOT emulate IE7 behavior, by design.
                // Also, this zoom detection does not work perfectly in IE8 compat mode, where we would want
                // it to be 100% always, so it is necessary that we ensure this only happens in ACTUAL IE7.
                // IE6 does not support zoom.
                var body = document.body,
                    rect = body.getBoundingClientRect(),
                    zoom = (rect.right-rect.left) / body.clientWidth;
                // zoom is not completely accurate, so snap to the previous 5% by multiplying by 100, rounding,
                // then subtracting zoom % 5, then dividing by 100 to get back to a multiplier.
                // It's not likely someone is zooming at 154%, for example, so that probably means it is actually 150%, whereas
                // 156% probably means 155% (the estimate tends to over-estimate).
                zoom = Math.round(zoom * 100);
                zoom = (zoom - zoom % 5) / 100;
                if (!isNaN(zoom) && (zoom !== 1)) {
                    offsetX = Math.round(offsetX / zoom);
                    offsetY = Math.round(offsetY / zoom);
                }
            }        
            if ((document.documentMode || 0) < 8) {
                offsetX -= documentElement.clientLeft;
                offsetY -= documentElement.clientTop;
            }
        }
        return new Sys.UI.Point(offsetX, offsetY);
    }
}
else if (Sys.Browser.agent === Sys.Browser.Safari) {
    Sys.UI.DomElement.getLocation = function(element) {
        /// <summary>Gets the coordinates of a DOM element.</summary>
        /// <param name="element" domElement="true"/>
        /// <returns type="Sys.UI.Point">
        ///   A Point object with two fields, x and y, which contain the pixel coordinates of the element.
        /// </returns>
        // For a document element, return zero.
        if ((element.window && (element.window === element)) || element.nodeType === 9) return new Sys.UI.Point(0,0);

        var offsetX = 0, offsetY = 0,
            parent,
            previous = null,
            previousStyle = null,
            currentStyle;
        for (parent = element; parent; previous = parent, previousStyle = currentStyle, parent = parent.offsetParent) {
            currentStyle = Sys.UI.DomElement._getCurrentStyle(parent);
            var tagName = parent.tagName ? parent.tagName.toUpperCase() : null;

            if ((parent.offsetLeft || parent.offsetTop) &&
                ((tagName !== "BODY") || (!previousStyle || previousStyle.position !== "absolute"))) {
                offsetX += parent.offsetLeft;
                offsetY += parent.offsetTop;
            }

            if (previous && Sys.Browser.version >= 3) {
                offsetX += parseInt(currentStyle.borderLeftWidth);
                offsetY += parseInt(currentStyle.borderTopWidth);
            }
        }

        currentStyle = Sys.UI.DomElement._getCurrentStyle(element);
        var elementPosition = currentStyle ? currentStyle.position : null;
        // If an element is absolutely positioned, its parent's scroll should not be subtracted
        if (!elementPosition || (elementPosition !== "absolute")) {
            for (parent = element.parentNode; parent; parent = parent.parentNode) {
                tagName = parent.tagName ? parent.tagName.toUpperCase() : null;

                if ((tagName !== "BODY") && (tagName !== "HTML") && (parent.scrollLeft || parent.scrollTop)) {
                    offsetX -= (parent.scrollLeft || 0);
                    offsetY -= (parent.scrollTop || 0);
                }
                currentStyle = Sys.UI.DomElement._getCurrentStyle(parent);
                var parentPosition = currentStyle ? currentStyle.position : null;

                if (parentPosition && (parentPosition === "absolute")) break;
            }
        }
        return new Sys.UI.Point(offsetX, offsetY);
    }
}
else {
    Sys.UI.DomElement.getLocation = function(element) {
        /// <summary>Gets the coordinates of a DOM element.</summary>
        /// <param name="element" domElement="true"/>
        /// <returns type="Sys.UI.Point">
        ///   A Point object with two fields, x and y, which contain the pixel coordinates of the element.
        /// </returns>
        // For a document element, return zero.
        if ((element.window && (element.window === element)) || element.nodeType === 9) return new Sys.UI.Point(0,0);

        var offsetX = 0, offsetY = 0,
            parent,
            previous = null,
            previousStyle = null,
            currentStyle = null;
        for (parent = element; parent; previous = parent, previousStyle = currentStyle, parent = parent.offsetParent) {
            var tagName = parent.tagName ? parent.tagName.toUpperCase() : null;
            currentStyle = Sys.UI.DomElement._getCurrentStyle(parent);

            if ((parent.offsetLeft || parent.offsetTop) &&
                !((tagName === "BODY") &&
                (!previousStyle || previousStyle.position !== "absolute"))) {

                offsetX += parent.offsetLeft;
                offsetY += parent.offsetTop;
            }

            if (previous !== null && currentStyle) {
                if ((tagName !== "TABLE") && (tagName !== "TD") && (tagName !== "HTML")) {
                    offsetX += parseInt(currentStyle.borderLeftWidth) || 0;
                    offsetY += parseInt(currentStyle.borderTopWidth) || 0;
                }
                if (tagName === "TABLE" &&
                    (currentStyle.position === "relative" || currentStyle.position === "absolute")) {
                    offsetX += parseInt(currentStyle.marginLeft) || 0;
                    offsetY += parseInt(currentStyle.marginTop) || 0;
                }
            }
        }

        currentStyle = Sys.UI.DomElement._getCurrentStyle(element);
        var elementPosition = currentStyle ? currentStyle.position : null;
        // If an element is absolutely positioned, its parent's scroll should not be subtracted, except on Opera.
        if (!elementPosition || (elementPosition !== "absolute")) {
            for (parent = element.parentNode; parent; parent = parent.parentNode) {
                tagName = parent.tagName ? parent.tagName.toUpperCase() : null;

                if ((tagName !== "BODY") && (tagName !== "HTML") && (parent.scrollLeft || parent.scrollTop)) {

                    offsetX -= (parent.scrollLeft || 0);
                    offsetY -= (parent.scrollTop || 0);

                    currentStyle = Sys.UI.DomElement._getCurrentStyle(parent);
                    if (currentStyle) {
                        offsetX += parseInt(currentStyle.borderLeftWidth) || 0;
                        offsetY += parseInt(currentStyle.borderTopWidth) || 0;
                    }
                }
            }
        }
        return new Sys.UI.Point(offsetX, offsetY);
    }
}

// Create the singleton instance of the CommonToolkitScripts
CommonToolkitScripts = Sys.Extended.UI.CommonToolkitScripts = new Sys.Extended.UI._CommonToolkitScripts();
$common = CommonToolkitScripts;

// Alias functions that were moved from BlockingScripts into Common
Sys.UI.DomElement.getVisible = $common.getVisible;
Sys.UI.DomElement.setVisible = $common.setVisible;
Sys.UI.Control.overlaps = $common.overlaps;

Sys.Extended.UI._DomUtility = function() {
    /// <summary>
    /// Utility functions for manipulating the DOM
    /// </summary>
}
Sys.Extended.UI._DomUtility.prototype = {
    isDescendant : function(ancestor, descendant) {
        /// <summary>
        /// Whether the specified element is a descendant of the ancestor
        /// </summary>
        /// <param name="ancestor" type="Sys.UI.DomElement">Ancestor node</param>
        /// <param name="descendant" type="Sys.UI.DomElement">Possible descendant node</param>
        /// <returns type="Boolean" />
        
        for (var n = descendant.parentNode; n != null; n = n.parentNode) {
            if (n == ancestor) return true;
        }
        return false;
    },
    isDescendantOrSelf : function(ancestor, descendant) {
        /// <summary>
        /// Whether the specified element is a descendant of the ancestor or the same as the ancestor
        /// </summary>
        /// <param name="ancestor" type="Sys.UI.DomElement">Ancestor node</param>
        /// <param name="descendant" type="Sys.UI.DomElement">Possible descendant node</param>
        /// <returns type="Boolean" />

        if (ancestor === descendant) 
            return true;
        return Sys.Extended.UI.DomUtility.isDescendant(ancestor, descendant);
    },
    isAncestor : function(descendant, ancestor) {
        /// <summary>
        /// Whether the specified element is an ancestor of the descendant
        /// </summary>
        /// <param name="descendant" type="Sys.UI.DomElement">Descendant node</param>
        /// <param name="ancestor" type="Sys.UI.DomElement">Possible ancestor node</param>
        /// <returns type="Boolean" />

        return Sys.Extended.UI.DomUtility.isDescendant(ancestor, descendant);
    },
    isAncestorOrSelf : function(descendant, ancestor) {
        /// <summary>
        /// Whether the specified element is an ancestor of the descendant or the same as the descendant
        /// </summary>
        /// <param name="descendant" type="Sys.UI.DomElement">Descendant node</param>
        /// <param name="ancestor" type="Sys.UI.DomElement">Possible ancestor node</param>
        /// <returns type="Boolean" />
        
        if (descendant === ancestor)
            return true;
            
        return Sys.Extended.UI.DomUtility.isDescendant(ancestor, descendant);
    },
    isSibling : function(self, sibling) {
        /// <summary>
        /// Whether the specified element is a sibling of the self element
        /// </summary>
        /// <param name="self" type="Sys.UI.DomElement">Self node</param>
        /// <param name="sibling" type="Sys.UI.DomElement">Possible sibling node</param>
        /// <returns type="Boolean" />
        
        var parent = self.parentNode;
        for (var i = 0; i < parent.childNodes.length; i++) {
            if (parent.childNodes[i] == sibling) return true;
        }
        return false;
    }
}
Sys.Extended.UI._DomUtility.registerClass("Sys.Extended.UI._DomUtility");
Sys.Extended.UI.DomUtility = new Sys.Extended.UI._DomUtility();


Sys.Extended.UI.TextBoxWrapper = function(element) {
    /// <summary>
    /// Class that wraps a TextBox (INPUT type="text") to abstract-out the
    /// presence of a watermark (which may be visible to the user but which
    /// should never be read by script.
    /// </summary>
    /// <param name="element" type="Sys.UI.DomElement" domElement="true">
    /// The DOM element the behavior is associated with
    /// </param>
    Sys.Extended.UI.TextBoxWrapper.initializeBase(this, [element]);
    this._current = element.value;
    this._watermark = null;
    this._isWatermarked = false;
}

Sys.Extended.UI.TextBoxWrapper.prototype = {

    dispose : function() {
        /// <summary>
        /// Dispose the behavior
        /// </summary>
        this.get_element().TextBoxWrapper = null;
        Sys.Extended.UI.TextBoxWrapper.callBaseMethod(this, 'dispose');
    },

    get_Current : function() {
        /// <value type="String">
        /// Current value actually in the TextBox (i.e., TextBox.value)
        /// </value>
        this._current = this.get_element().value;
        return this._current;
    },
    set_Current : function(value) {
        this._current = value;
        this._updateElement();
    },

    get_Value : function() {
        /// <value type="String">
        /// Conceptual "value" of the TextBox - its contents if no watermark is present
        /// or "" if one is
        /// </value>
        if (this.get_IsWatermarked()) {
            return "";
        } else {
            return this.get_Current();
        }
    },
    set_Value : function(text) {
        this.set_Current(text);
        if (!text || (0 == text.length)) {
            if (null != this._watermark) {
                this.set_IsWatermarked(true);
            }
        } else {
            this.set_IsWatermarked(false);
        }
    },

    get_Watermark : function() {
        /// <value type="String">
        /// Text of the watermark for the TextBox
        /// </value>
        return this._watermark;
    },
    set_Watermark : function(value) {
        this._watermark = value;
        this._updateElement();
    },

    get_IsWatermarked : function() {
        /// <value type="Boolean">
        /// true iff the TextBox is watermarked
        /// </value>
        return this._isWatermarked;
    },
    set_IsWatermarked : function(isWatermarked) {
        if (this._isWatermarked != isWatermarked) {
            this._isWatermarked = isWatermarked;
            this._updateElement();
            this._raiseWatermarkChanged();
        }
    },

    _updateElement : function() {
        /// <summary>
        /// Updates the actual contents of the TextBox according to what should be there
        /// </summary>
        var element = this.get_element();
        if (this._isWatermarked) {
            if (element.value != this._watermark) {
                element.value = this._watermark;
            }
        } else {
            if (element.value != this._current) {
                element.value = this._current;
            }
        }
    },

    add_WatermarkChanged : function(handler) {
        /// <summary>
        /// Adds a handler for the WatermarkChanged event
        /// </summary>
        /// <param name="handler" type="Function">
        /// Handler
        /// </param>
        this.get_events().addHandler("WatermarkChanged", handler);
    },
    remove_WatermarkChanged : function(handler) {
        /// <summary>
        /// Removes a handler for the WatermarkChanged event
        /// </summary>
        /// <param name="handler" type="Function">
        /// Handler
        /// </param>
        this.get_events().removeHandler("WatermarkChanged", handler);
    },
    _raiseWatermarkChanged : function() {
        /// <summary>
        /// Raises the WatermarkChanged event
        /// </summary>
        var onWatermarkChangedHandler = this.get_events().getHandler("WatermarkChanged");
        if (onWatermarkChangedHandler) {
            onWatermarkChangedHandler(this, Sys.EventArgs.Empty);
        }
    }
}
Sys.Extended.UI.TextBoxWrapper.get_Wrapper = function(element) {
    /// <summary>
    /// Gets (creating one if necessary) the TextBoxWrapper for the specified TextBox
    /// </summary>
    /// <param name="element" type="Sys.UI.DomElement" domElement="true">
    /// TextBox for which to get the wrapper
    /// </param>
    /// <returns type="Sys.Extended.UI.TextBoxWrapper">
    /// TextBoxWrapper instance
    /// </returns>
    if (null == element.TextBoxWrapper) {
        element.TextBoxWrapper = new Sys.Extended.UI.TextBoxWrapper(element);
    }
    return element.TextBoxWrapper;
}
Sys.Extended.UI.TextBoxWrapper.registerClass('Sys.Extended.UI.TextBoxWrapper', Sys.UI.Behavior);

Sys.Extended.UI.TextBoxWrapper.validatorGetValue = function(id) {
    /// <summary>
    /// Wrapper for ASP.NET's validatorGetValue to return the value from the wrapper if present
    /// </summary>
    /// <param name="id" type="String">
    /// id of the element
    /// </param>
    /// <returns type="Object">
    /// Value from the wrapper or result of original ValidatorGetValue
    /// </returns>
    var control = $get(id);
    if (control && control.TextBoxWrapper) {
        return control.TextBoxWrapper.get_Value();
    }
    return Sys.Extended.UI.TextBoxWrapper._originalValidatorGetValue(id);
}

// Wrap ASP.NET's ValidatorGetValue with Sys.Extended.UI.TextBoxWrapper.validatorGetValue
// to make validators work properly with watermarked TextBoxes
if (typeof(ValidatorGetValue) == 'function') {
    Sys.Extended.UI.TextBoxWrapper._originalValidatorGetValue = ValidatorGetValue;
    ValidatorGetValue = Sys.Extended.UI.TextBoxWrapper.validatorGetValue;
}


// Temporary fix null reference bug in Sys.CultureInfo._getAbbrMonthIndex
if (Sys.CultureInfo && Sys.CultureInfo.prototype._getAbbrMonthIndex) {
    Sys.CultureInfo.prototype._getAbbrMonthIndex = function(value) {
        if (!this._upperAbbrMonths) {
            this._upperAbbrMonths = this._toUpperArray(this.dateTimeFormat.AbbreviatedMonthNames);
        }
        return Array.indexOf(this._upperAbbrMonths, this._toUpper(value));
    }
    Sys.CultureInfo.CurrentCulture._getAbbrMonthIndex = Sys.CultureInfo.prototype._getAbbrMonthIndex;
    Sys.CultureInfo.InvariantCulture._getAbbrMonthIndex = Sys.CultureInfo.prototype._getAbbrMonthIndex;
}

} // execute

if (window.Sys && Sys.loader) {
    Sys.loader.registerScript(scriptName, ["ComponentModel"], execute);
}
else {
    execute();
}

})();

// globals
var $common, CommonToolkitScripts;
