function GetContentFrame()
{
	return self.parent.frames("FrameContent");
}

function IFrameHeight()
{
	iframeheight = document.body.clientHeight - 228;
	document.getElementById("ContentIFrame").height = iframeheight;
}	

	
LastSelectedItem = "";
LastClickedItem = "";
MouseOnLayer = "";
ActualChannel = "";


function HeaderItemRow_MouseOver(sender)
{
	sender.className = "NavMenuItemLevel0Active";
}
function HeaderItemRow_MouseOut(sender)
{
	if (LastClickedItem != sender)
	{
		sender.className = "NavMenuItemLevel0";
	}
}
function HeaderItemRow_Click(sender)
{
	LastClickedItem.className = "NavMenuItemLevel0";
	sender.className = "NavMenuItemLevel0Active";
	LastClickedItem = sender;	
}
function HeaderItemClick(url)
{
	SelectItemHeader(ActualChannel);
	if ((url.indexOf("content.aspx") != -1) || (url.indexOf("Content.aspx") != -1))
	{
		newurl = url.replace(/content.aspx/, "");
		newurl = url.replace(/Content.aspx/, "");
		ContentIFrame.location.href = "FrameworkInner.aspx" + newurl;
	}
}

/* filtert die Darstellung der Layer */
function NavItem_MouseOver(sender,ch)
{
	//alert (ch);
	ActualChannel = ch;

	sender.className = "HeaderNavMenuItemActive";
	if (ActualChannel != 4)
	{
	layer = document.getElementById("NavLayerHeader");
	layer.style.visibility = "visible";
	layer.style.left = sender.offsetLeft + 243;
	//alert(layer.style.left);
	content = document.getElementById("MenuCh" + ch).innerHTML;		
	while (content.indexOf("DISPLAY: none") != -1)
	{
		content = content.replace(/DISPLAY: none/, "DISPLAY: block");
	}
	while (content.indexOf("display: none") != -1)
	{
		content = content.replace(/display: none/, "DISPLAY: block");
	}
	layer.innerHTML = content;
	MouseOnLayer = "yes";
	}
}
function LayerOver()
{
	td = document.getElementById("HeaderMenu" + ActualChannel);
	td.className = "HeaderNavMenuItemActive";
	MouseOnLayer = "yes";
}
function NavItem_MouseOut(sender,ch)
{
	if (LastSelectedItem != sender)
	{
		sender.className = "HeaderNavMenuItem";
	}
	MouseOnLayer = "no";
	x = window.setTimeout("HideLayers()", 1000);
}
function LayerOut()
{
	td = document.getElementById("HeaderMenu" + ActualChannel);
	if (td != LastSelectedItem)
	{ 
		td.className = "HeaderNavMenuItem";
	}
	MouseOnLayer = "no";
	x = window.setTimeout("HideLayers()", 1000);
}
function HideLayers()
{
	if (MouseOnLayer != "yes")
	{
		if (document.getElementById("NavLayerHeader").style.visibility == "visible")
		{
			document.getElementById("NavLayerHeader").style.visibility = "hidden";
		}
	}
	if (MouseOnLayer == "yes")
	{
		if (document.getElementById("NavLayerHeader").style.visibility == "hidden")
		{
			document.getElementById("NavLayerHeader").style.visibility = "visible";
		}
	}
	window.clearTimeout(x);
}


function SelectItemHeader(ch)
{
	if (LastSelectedItem)
	{
	LastSelectedItem.className = "HeaderNavMenuItem";
	td = document.getElementById("HeaderMenu" + ch);
	td.className = "HeaderNavMenuItemActive";
	document.getElementById("SiteMapLink").href = "Sitemap.aspx?ch=" + ch;
	LastSelectedItem = td;
	}
}