var	kalDiv = "kalender" ;

   	ImgList = new Array("koha_radio","verlagsprogramm","presse","news","verlagsprogramm","bt_kasse","buch","autor","nav_warenkorb","nav_autoren","nav_kohatv","nav_presse","nav_termine","nav_magazin","nav_newsletter","nav_verlag","nav_buchhandel","ueberuns","vertrieb","auslieferung","vertreter","presse","partnerverlage","pdf","links","downloads","bestellen","audio","texte","dvd","aurora","sonstiges") ;   	
   	MenuImgHigh = new Array() ;
   	MenuImgLow = new Array() ;
	
   	for (i=0;i<ImgList.length;i++) 
   	{   
	   	MenuImgHigh[ImgList[i]] = new Image() ;
	   	MenuImgHigh[ImgList[i]].src = "img/" + ImgList[i] + "_high.gif" ;
   
	   	MenuImgLow[ImgList[i]] = new Image() ;
		MenuImgLow[ImgList[i]].src = "img/" + ImgList[i] + "_low.gif" ;		
   	}

	function high(name,img) 
	{		
	    document.images[name].src = MenuImgHigh[img].src ;	    
    }

	function low(name,img) 
	{
	    document.images[name].src = MenuImgLow[img].src	    
	}
	
	function changeBg(id,img)
	{
		document.getElementById(id).style.backgroundImage = "url(img/" + img + ".gif)" ;
	}
	
	
	function openWin(url,width,height)
	{
		Extern = window.open(url,"Extern","width=" + width + ",height=" + height + ",resizable=no,scrollbars=auto,toolbar=no,status=yes,menubar=no,locationbar=no,screenX=50,screenY=50");
	}
	
	
	function checkKontaktForm()
	{
	   var error = false
	   if (self.document.kontaktFormular.email.value.length==0)
	   {
		   alert("Bitte eine g&#252;ltige E-Mail Adresse eintragen!");
		   error = true;
	   }									
	   if (!error)
	   {
		  self.document.kontaktFormular.submit();
	   }
	}
	
    function popup(url,windowtitle,params)
       {
          window1=window.open(url, windowtitle, params);
       }