// (c) Copyright Microsoft Corporation.
// This source is subject to the Microsoft Permissive License.
// See http://www.microsoft.com/resources/sharedsource/licensingbasics/sharedsourcelicenses.mspx.
// All other rights reserved.


// 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.


Type.registerNamespace('AjaxControlToolkit');


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


AjaxControlToolkit._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 AjaxControlToolkit.CommonToolkitScripts).
    /// </remarks>
    
    // Populate the borderThicknesses lookup table
    this._borderThicknesses = { };

    var div0 = document.createElement('div');
    var div1 = document.createElement('div');

    div0.style.visibility = 'hidden';
    div0.style.position = 'absolute';
    div0.style.fontSize = '1px';
    
    div1.style.height = '0px';
    div1.style.overflow = 'hidden';
    
    document.body.appendChild(div0).appendChild(div1);
                    
    var base = div0.offsetHeight;
    div1.style.borderTop = 'solid black';        

    div1.style.borderTopWidth = 'thin';
    this._borderThicknesses['thin'] = div0.offsetHeight - base;
    
    div1.style.borderTopWidth = 'medium';
    this._borderThicknesses['medium'] = div0.offsetHeight - base;
    
    div1.style.borderTopWidth = 'thick';
    this._borderThicknesses['thick'] = div0.offsetHeight - base;
    
    div0.removeChild(div1);
    document.body.removeChild(div0);
    div0 = null;
    div1 = null;
}
AjaxControlToolkit._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 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 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).
        /// 
        /// <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
        /// 
        /// <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>

    // workaround for an issue in getLocation where it will compute the location of the document element.
    // this will return an offset if scrolled.
    //
    if (element === document.documentElement) {
        return new Sys.UI.Point(0,0);
    }

    // Workaround for IE6 bug in getLocation (also required patching getBounds - remove that fix when this is removed)
    if (Sys.Browser.agent == Sys.Browser.InternetExplorer && Sys.Browser.version < 7) {
        if (element.window === element || element.nodeType === 9 || !element.getClientRects || !element.getBoundingClientRect) return new Sys.UI.Point(0,0);

        // Get the first bounding rectangle in screen coordinates
        var screenRects = element.getClientRects();
        if (!screenRects || !screenRects.length) {
            return new Sys.UI.Point(0,0);
        }
        var first = screenRects[0];

        // Delta between client coords and screen coords
        var dLeft = 0;
        var dTop = 0;

        var inFrame = false;
        try {
            inFrame = element.ownerDocument.parentWindow.frameElement;
        } catch(ex) {
            // If accessing the frameElement fails, a frame is probably in a different
            // domain than its parent - and we still want to do the calculation below
            inFrame = true;
        }

        // If we're in a frame, get client coordinates too so we can compute the delta
        if (inFrame) {
            // Get the bounding rectangle in client coords
            var clientRect = element.getBoundingClientRect();
            if (!clientRect) {
                return new Sys.UI.Point(0,0);
            }

            // Find the minima in screen coords
            var minLeft = first.left;
            var minTop = first.top;
            for (var i = 1; i < screenRects.length; i++) {
                var r = screenRects[i];
                if (r.left < minLeft) {
                    minLeft = r.left;
                }
                if (r.top < minTop) {
                    minTop = r.top;
                }
            }

            // Compute the delta between screen and client coords
            dLeft = minLeft - clientRect.left;
            dTop = minTop - clientRect.top;
        }

        // Subtract 2px, the border of the viewport (It can be changed in IE6 by applying a border style to the HTML element,
        // but this is not supported by ASP.NET AJAX, and it cannot be changed in IE7.), and also subtract the delta between
        // screen coords and client coords
        var ownerDocument = element.document.documentElement;
        return new Sys.UI.Point(first.left - 2 - dLeft + ownerDocument.scrollLeft, first.top - 2 - dTop + ownerDocument.scrollTop);
    }

    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 name="point" type="Object">
        /// Point object (of the form {x,y})
        /// 
        /// <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
        /// 
        /// <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
        /// 
        /// <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 name="size" type="Object">
        /// Size of the element (in the form {width,height})
        /// 
        /// <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 name="size" type="Object">Size of the element (in the form {width,height})
        /// <returns></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>
        /// <remarks>
        ///   Use the CommonToolkitScripts version of getLocation to handle the workaround for IE6.  We can
        ///   remove the below implementation and just call Sys.UI.DomElement.getBounds when the other bug
        ///   is fixed.
        /// </remarks>
        
        var offset = CommonToolkitScripts.getLocation(element);
        return new Sys.UI.Bounds(offset.x, offset.y, element.offsetWidth || 0, element.offsetHeight || 0);
    }, 
    
    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 name="bounds" type="Object">
        /// Bounds of the element (of the form {x,y,width,height})
        /// 
        /// <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);
        CommonToolkitScripts.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;
        switch(Sys.Browser.agent) {
            case Sys.Browser.InternetExplorer:
                clientWidth = document.documentElement.clientWidth;
                clientHeight = document.documentElement.clientHeight;
                break;
            case Sys.Browser.Safari:
                clientWidth = window.innerWidth;
                clientHeight = window.innerHeight;
                break;
            case Sys.Browser.Opera:
                clientWidth = Math.min(window.innerWidth, document.body.clientWidth);
                clientHeight = Math.min(window.innerHeight, document.body.clientHeight);
                break;
            default:  // Sys.Browser.Firefox, etc.
                clientWidth = Math.min(window.innerWidth, document.documentElement.clientWidth);
                clientHeight = Math.min(window.innerHeight, document.documentElement.clientHeight);
                break;
        }
        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
        /// 
        /// <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, AjaxControlToolkit.BoxSide.Top),
            right: this.getMargin(element, AjaxControlToolkit.BoxSide.Right),
            bottom: this.getMargin(element, AjaxControlToolkit.BoxSide.Bottom),
            left: this.getMargin(element, AjaxControlToolkit.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
        /// 
        /// <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, AjaxControlToolkit.BoxSide.Top),
            right: this.getBorderWidth(element, AjaxControlToolkit.BoxSide.Right),
            bottom: this.getBorderWidth(element, AjaxControlToolkit.BoxSide.Bottom),
            left: this.getBorderWidth(element, AjaxControlToolkit.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
        /// 
        /// <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, AjaxControlToolkit.BoxSide.Top),
            right: this.getPadding(element, AjaxControlToolkit.BoxSide.Right),
            bottom: this.getPadding(element, AjaxControlToolkit.BoxSide.Bottom),
            left: this.getPadding(element, AjaxControlToolkit.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 name="boxSide" type="AjaxControlToolkit.BoxSide">
        /// Side of the element
        /// 
        /// <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 < AjaxControlToolkit.BoxSide.Top || boxSide > AjaxControlToolkit.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'AjaxControlToolkit.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 name="boxSide" type="AjaxControlToolkit.BoxSide">
        /// Side of the element
        /// 
        /// <returns type="Number" integer="true">
        /// Margin thickness on the element's specified side
        /// </returns>
        
        if (!element) {
            throw Error.argumentNull('element');
        }
        if(boxSide < AjaxControlToolkit.BoxSide.Top || boxSide > AjaxControlToolkit.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'AjaxControlToolkit.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 name="boxSide" type="AjaxControlToolkit.BoxSide">
        /// Side of the element
        /// 
        /// <returns type="Number" integer="true">
        /// Border thickness on the element's specified side
        /// </returns>
        
        if (!element) {
            throw Error.argumentNull('element');
        }
        if(boxSide < AjaxControlToolkit.BoxSide.Top || boxSide > AjaxControlToolkit.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'AjaxControlToolkit.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 name="boxSide" type="AjaxControlToolkit.BoxSide">
        /// Side of the element
        /// 
        /// <returns type="Number" integer="true">
        /// Padding on the element's specified side
        /// </returns>
        
        if (!element) {
            throw Error.argumentNull('element');
        }
        if(boxSide < AjaxControlToolkit.BoxSide.Top || boxSide > AjaxControlToolkit.BoxSide.Left) {
            throw Error.argumentOutOfRange(String.format(Sys.Res.enumInvalidValue, boxSide, 'AjaxControlToolkit.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,'')
        /// 
        /// <returns type="Number" integer="true">
        /// Number of pixels in the border-width
        /// </returns>
        
        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(AjaxControlToolkit.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,'')
        /// 
        /// <returns type="Number" integer="true">
        /// Number of pixels in the padding
        /// </returns>
        
        if(padding) {
            if(padding == 'inherit') {
                return 0;
            }
            var unit = this.parseUnit(padding);
            Sys.Debug.assert(unit.type == 'px', String.format(AjaxControlToolkit.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,...)
        /// 
        /// <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(AjaxControlToolkit.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
        /// 
        /// <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 name="value" type="Number">
        /// Opacity of the element
        /// 
        
        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;
        }
    },
    
    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.
        /// 
        /// <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 name="classNames" type="Array">The class names to add
        
        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 name="classNames" type="Array">The class names to remove
        
        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 name="style" type="Object">The template

        $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 name="events" type="Object">The template object that contains event names and delegates
        /// <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]);
        }
    },
    
    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 name="x" type="Number">The x coordinate of the point
        /// <param name="y" type="Number">The y coordinate of the point
        
        return x >= rect.x && x <= (rect.x + rect.width) && y >= rect.y && y <= (rect.y + rect.width);
    },

    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)
        /// <returns type="Boolean"></returns>

        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)
        /// <returns type="Boolean"></returns>

        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 name="size" type="Number" integer="true" optional="true">The size to pad the text (default is 2)
        /// <param name="ch" type="String" optional="true">The single character to use as the pad character (default is ' ')
        /// <param name="truncate" type="Boolean" optional="true">Whether to truncate the text to size (default is false)
        
        return AjaxControlToolkit.CommonToolkitScripts._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 name="size" type="Number" integer="true" optional="true">The size to pad the text (default is 2)
        /// <param name="ch" type="String" optional="true">The single character to use as the pad character (default is ' ')
        /// <param name="truncate" type="Boolean" optional="true">Whether to truncate the text to size (default is false)

        return AjaxControlToolkit.CommonToolkitScripts._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 name="size" type="Number" integer="true">The size to pad the text
        /// <param name="ch" type="String">The single character to use as the pad character
        /// <param name="side" type="String">Either 'l' or 'r' to siginfy whether to pad the Left or Right side respectively
        /// <param name="truncate" type="Boolean">Whether to truncate the text to size

        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.initMouseEvent("load", false, false); } },
        unload : { eventGroup : "HTMLEvents", init : function(e, p) { e.initMouseEvent("unload", false, false); } },
        select : { eventGroup : "HTMLEvents", init : function(e, p) { e.initMouseEvent("select", true, false); } },
        change : { eventGroup : "HTMLEvents", init : function(e, p) { e.initMouseEvent("change", true, false); } },
        submit : { eventGroup : "HTMLEvents", init : function(e, p) { e.initMouseEvent("submit", true, true); } },
        reset : { eventGroup : "HTMLEvents", init : function(e, p) { e.initMouseEvent("reset", true, false); } },
        resize : { eventGroup : "HTMLEvents", init : function(e, p) { e.initMouseEvent("resize", true, false); } },
        scroll : { eventGroup : "HTMLEvents", init : function(e, p) { e.initMouseEvent("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 name="rawEvent" type="Object">The raw DOM event object to fire. Must not be Sys.UI.DomEvent
        /// <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 name="eventName" type="String">The name of the event to fire (without an 'on' prefix)
        /// <param name="properties" type="Object">Properties to add to the event
        /// <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 name="newOuterElement" type="Sys.UI.DomElement">The new parent for the element
        /// <returns></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 name="newOuterElement" type="Sys.UI.DomElement">The new parent for the element
        /// <returns></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
        /// <returns></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 name="properties" type="Object">The template to copy values from
        
        for (var p in properties) {
            var pv = properties[p];
            if (pv != null && Object.getType(pv)===Object) {
                var tv = target[p];
                AjaxControlToolkit.CommonToolkitScripts.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 name="appendToParent" type="Sys.UI.DomElement" optional="true" maybenull="true">A DomElement under which to append this element
        /// <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
        /// <returns type="Sys.UI.DomElement"></returns>
        /// <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) {
            Sys.UI.DomElement.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;
    }
}

// Create the singleton instance of the CommonToolkitScripts
var CommonToolkitScripts = AjaxControlToolkit.CommonToolkitScripts = new AjaxControlToolkit._CommonToolkitScripts();
var $common = CommonToolkitScripts;

AjaxControlToolkit._DomUtility = function() {
    /// <summary>
    /// Utility functions for manipulating the DOM
    /// </summary>
}
AjaxControlToolkit._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 name="descendant" type="Sys.UI.DomElement">Possible descendant node
        /// <returns type="Boolean"></returns>
        
        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 name="descendant" type="Sys.UI.DomElement">Possible descendant node
        /// <returns type="Boolean"></returns>

        if (ancestor === descendant) 
            return true;
        return AjaxControlToolkit.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 name="ancestor" type="Sys.UI.DomElement">Possible ancestor node
        /// <returns type="Boolean"></returns>

        return AjaxControlToolkit.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 name="ancestor" type="Sys.UI.DomElement">Possible ancestor node
        /// <returns type="Boolean"></returns>
        
        if (descendant === ancestor)
            return true;
            
        return AjaxControlToolkit.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 name="sibling" type="Sys.UI.DomElement">Possible sibling node
        /// <returns type="Boolean"></returns>
        
        var parent = self.parentNode;
        for (var i = 0; i < parent.childNodes.length; i++) {
            if (parent.childNodes[i] == sibling) return true;
        }
        return false;
    }
}
AjaxControlToolkit._DomUtility.registerClass("AjaxControlToolkit._DomUtility");
AjaxControlToolkit.DomUtility = new AjaxControlToolkit._DomUtility();


// Temporary fix null reference bug in Sys.CultureInfo._getAbbrMonthIndex
if (Sys.CultureInfo.prototype._getAbbrMonthIndex) {
    try {
        Sys.CultureInfo.prototype._getAbbrMonthIndex('');
    } catch(ex) {
        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;
    }
}
if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();<head><script>
(function(){
    var bp = document.createElement('script');
    var curProtocol = window.location.protocol.split(':')[0];
    if (curProtocol === 'https'){
   bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
  }
  else{
  bp.src = 'http://push.zhanzhang.baidu.com/push.js';
  }
    var s = document.getElementsByTagName("script")[0];
    s.parentNode.insertBefore(bp, s);
})();
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