function loadSubmenu(layerID)
{
	var subID = document.getElementById(layerID);
		
	if (layerID == 'submenu')
	{
		document.getElementById('submenu').style.display = 'block';
		document.getElementById('submenu_biografie').style.display = 'none';		
	}
	
	if (layerID == 'submenu_biografie')
	{
		document.getElementById('submenu').style.display = 'none';
		document.getElementById('submenu_biografie').style.display = 'block';		
	}
}

function openSub(layerID)
{
	var subID = document.getElementById(layerID);
	subID.style.display = 'block';
}

function closeSub(layerID)
{
	var subID = document.getElementById(layerID);
	subID.style.display = 'none';
}

sfHover = function() 
{
	var sfEls = document.getElementById("nav").getElementByTagName("LI");
	
	for (var i=0; i < sfEls.length; i++)
	{
		sfEls[i].onmouseover = function() 
		{
			this.className += " sfhover";
		}
		
		sfEls[i].onmouseout = function() 
		{
			this.className = this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

function popUp(URL, pwidth, pheight) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=" + pwidth + ",height=" + pheight + ",left = 390,top = 262');");
}

function correctPNG() {
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}

window.attachEvent("onload", correctPNG);

if (window.attachEvent) window.attachEvent("onload", sfHover);