navHover = function() {
	var lis = document.getElementById("navmenu").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover);



      var itemID = "";
      function SetActive(Itemid) {
         if(itemID!="") {
           document.getElementById(id).className ="navi_grau";
         }
         document.getElementById(id).className ="navi_orange";
    itemID = id;
      }
	  
	  

 function openPopUp(dateiname)
 {
	window.open(dateiname,'popup','scrollbars=yes,width=730,height=900,screenX=0,screenY=0');
 }