var hoverClass = "AspNet-Menu-Hover";
var topmostClass = "AspNet-Menu";
var userAgent = navigator.userAgent;
var versionOffset = userAgent.indexOf("MSIE");
var isIE = (versionOffset >= 0);
var isPreIE7 = false;
var fullVersionIE = "";
var majorVersionIE = "";
if (isIE)
{
    fullVersionIE = parseFloat(userAgent.substring(versionOffset+5, userAgent.length));
    majorVersionIE = parseInt('' + fullVersionIE);
    isPreIE7 = majorVersionIE < 7;
}

function Hover__AspNetMenu(e, element)
{
    if(HasClass__CssFriendlyAdapters(element, 'AspNet-Menu-WithChildren'))
    {
        var sibling = element.parentNode.firstChild;
        var regex = new RegExp(hoverClass, "gi");
        while(null != sibling)
        {
            if(sibling.id != element.id && sibling.className.search(regex) > -1)
                sibling.className = sibling.className.replace(regex, "");
                
            sibling = sibling.nextSibling;
        }
    }

    while(null != element)
    {
        if(element.tagName == 'LI')
        {
            if(element.className.search(new RegExp(hoverClass, "gi")) == -1)
                AddClass__CssFriendlyAdapters(element, hoverClass);
                
            if(null != timeouts[element.id])
                clearTimeout(timeouts[element.id]);
        }

        element = element.parentNode;
    }

    if (isPreIE7)
    {
        var child = element.firstChild;
        while (child)
        {
            if (child.tagName == "UL")
            {
                var grandchild = child.firstChild;
                while (grandchild)
                {
                    if (grandchild.tagName == "LI")
                    {
                        if ((typeof(grandchild.iFrameFormElementMask) != "undefined") && (grandchild.iFrameFormElementMask != null))
                        {
                            grandchild.iFrameFormElementMask.style.display = "block";
                            
                            var w = grandchild.offsetWidth;
                            if ((grandchild.offsetWidth == 0) && (typeof(element.iFrameFormElementMask) != "undefined") && (element.iFrameFormElementMask != null) && (element.iFrameFormElementMask.style.width.length > 0))
                            {
                                w = element.iFrameFormElementMask.style.width;
                            }
                            grandchild.iFrameFormElementMask.style.width = w;
                            
                            var h = grandchild.offsetHeight + 5 /* fudge to cover margins between menu items */;
                            if ((grandchild.offsetHeight == 0) && (typeof(element.iFrameFormElementMask) != "undefined") && (element.iFrameFormElementMask != null) && (element.iFrameFormElementMask.style.height.length > 0))
                            {
                                h = element.iFrameFormElementMask.style.height;
                            }
                            grandchild.iFrameFormElementMask.style.height = h;
                        }
                    }
                    
                    grandchild = grandchild.nextSibling;
                }
            }

            child = child.nextSibling;
        }
    }
}

var globalScope = new Array();
var timeouts = new Array();

function ieIntervalHandler( id, strFunc )
{
    var params = '';
    for(var i = 0; i < globalScope[id].length; i++)
        params += 'globalScope["' + id + '"][' + i + '],';
        
    if(params.length > 0)
        params = params.substring(0,params.length - 1);

    eval( strFunc + "(" + params + ")" );
    
    globalScope[id] = null;
}

function Unhover__AspNetMenu(e, element)
{
    if (!e) var e = window.event;
	    var relTarg = e.relatedTarget || e.toElement;
	    
	    var isMouseOut = true;    
	    while(null != relTarg)
	    {
	        if(relTarg == element)
	        {
	            isMouseOut = false;
	            break;
	        }
	        
	        relTarg = relTarg.parentNode;
	    }
	        

    if(isMouseOut)
    {
        if( document.all )
        {
            globalScope[element.id] = [element, hoverClass];
            timeouts[element.id] = setTimeout( 'ieIntervalHandler("' + element.id + '","RemoveClass__CssFriendlyAdapters")', 200 );
        }
        else
        {
            timeouts[element.id] = setTimeout( function(a,b){RemoveClass__CssFriendlyAdapters(a, b);}, 200, element, hoverClass );
        }

        if (isPreIE7)
        {
            var child = element.firstChild;
            while (child)
            {
                if (child.tagName == "UL")
                {
                    var grandchild = child.firstChild;
                    while (grandchild)
                    {
                        if (grandchild.tagName == "LI")
                        {
                            if ((typeof(grandchild.iFrameFormElementMask) != "undefined") && (grandchild.iFrameFormElementMask != null))
                            {
                                grandchild.iFrameFormElementMask.style.display = "none";
                            }
                        }

                        grandchild = grandchild.nextSibling;
                    }
                }

                child = child.nextSibling;
            }
        }
    }
}

function SetHover__AspNetMenu()
{
    var menus = document.getElementsByTagName("ul");
    for (var i=0; i<menus.length; i++)
    {
        if(menus[i].className == topmostClass)
        {
            var items = menus[i].getElementsByTagName("li");
            for (var k=0; k<items.length; k++)
            {
                items[k].id = 'item' + i + k;
                items[k].onmouseover = function(e) { Hover__AspNetMenu(e,this); }
                items[k].onmouseout = function(e) { Unhover__AspNetMenu(e,this); }
                
                if (isPreIE7 && ((typeof(items[k].iFrameFormElementMask) == "undefined") || (items[k].iFrameFormElementMask == null)))
                {
                    var iFrameFormElementMask = document.createElement("IFRAME");
                    iFrameFormElementMask.scrolling= "no";
                    iFrameFormElementMask.src = "javascript:false;";
                    iFrameFormElementMask.frameBorder = 0;
                    iFrameFormElementMask.style.display = "none";
                    iFrameFormElementMask.style.position = "absolute";
                    iFrameFormElementMask.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)";

                    iFrameFormElementMask.style.zIndex = -1;
                    items[k].insertBefore(iFrameFormElementMask, items[k].firstChild);
                    items[k].iFrameFormElementMask = iFrameFormElementMask;
                }                
            }
        }
    }
}

if (true || isPreIE7)
{
    window.onload = SetHover__AspNetMenu;
}