if (document.layers){
      //Netscape 4 specific code
      pre = 'document.';
      post = '';
      post2="";
   }
   if (document.getElementById){
      //Netscape 6 specific code
      pre = 'document.getElementById("';
      post = '").style';
      post2= '")';
   }
   if (document.all){
      //IE4+ specific code
      pre = 'document.all.';
      post = '.style';
      post2= '';
   }

   function toggleVisible(strObjectID)
   {
	   var myLayer = eval(pre + strObjectID + post);
	   if (myLayer.visibility!='hidden')
	   {
           	myLayer.visibility='hidden';
           	myLayer.display='none';
	   	}
	   	else
	   	{
	   		myLayer.visibility='visible';
			myLayer.display='block';
	   	}
   }

   function showObject(strObjectID){
	   var myLayer = eval(pre + strObjectID + post);
       myLayer.visibility='visible';
	   myLayer.display='block';
   }

   function hideObject(strObjectID){
	   var myLayer = eval(pre + strObjectID + post);
       myLayer.visibility='hidden';
       myLayer.display='none';
   }
	
   var bStillShow=false;

   function hideIfPossible(){
		if (!bStillShow)
		 	hideDropDown();
   }
   function hideTimeout(){
		bStillShow=false;
		setTimeout("hideIfPossible()",300);
   }

   function hideDropDown()
   {
   		hideObject('over_menu');
		hideObject('pr_menu');
		hideObject('onzek_menu');
		hideObject('onzem_menu');
		hideObject('actu_menu');
		hideObject('publ_menu');
   }

	function showDropDown(strName){
		hideDropDown();
		showObject(strName);
		bStillShow=true;
	}

var preloadFlag = false;