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(element)
{
    AddClass__CssFriendlyAdapters(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 = "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;
        }
    }
}

function Unhover__AspNetMenu(element)
{
    RemoveClass__CssFriendlyAdapters(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++)
            {
                
                //start FV menu Modification
                var subItems = items[k].getElementsByTagName("ul");
                for (var j=0; j<subItems.length; j++)
                {
               
                    var subMenu = subItems[j];
                    //debugger;
                    var position = GetAbsolutePosition(subMenu); 
                     //window.alert("Clientwidth:" + position[1] + "test");
                    var myOffset = 260;
                    if (isIE)
                    {
                        myOffset = 60;                    
                    }
                    var rightSide = position[1] + myOffset;
                    if(rightSide > document.body.clientWidth)
                    {
                    
                       //debugger;
                       subMenu.className='fvRight'; 
                       if (subMenu.parentNode) 
                       {
                            subMenu.parentNode.className = 'fvArrowLeft';
                       }
                       
                    }          
                 }
                //end fv menu Modification
                if (isPreIE7)
                {
                    items[k].onmouseover = function() { Hover__AspNetMenu(this); }
                    items[k].onmouseout = function() { Unhover__AspNetMenu(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;
                }                
            }
        }
    }
}

function GetAbsolutePosition(o)
{   oLeft = o.offsetLeft;            // Get left position from the parent object
	oTop = o.offsetTop;            // Get top position from the parent object
//debugger;
	while(o.offsetParent) {   // .tagName!='HTML' Parse the parent hierarchy up to the document element
		oParent = o.offsetParent;    // Get parent object reference
		oLeft += oParent.offsetLeft; // Add parent left position
		oTop += oParent.offsetTop; // Add parent top position
		o = oParent;
	}
	// Return left postion
	  
	var aPosition = new Array();
	
	aPosition[0] = oTop;
	aPosition[1] = oLeft;
	
	return aPosition;
}
//if (isPreIE7)
//{

//   window.onload = SetHover__AspNetMenu;
//   window.onresize = SetHover__AspNetMenu;
//}