function rollit(nr, divname){
	     if (document.images) {
		     if(navigator.appName=="Netscape" && (navigator.appName+navigator.appVersion).indexOf("Netscape5")<0){
	 		 	 if(divname!=""){
					 eval("document."+divname+".document.images[\"mnu"+nr+"\"].src=mnu" + nr + "_.src");
				 }
				 else{
				 	 document.images["mnu" + nr].src=eval("mnu" + nr + "_.src");
				 }
		     }
		     else{
		         document.images["mnu" + nr].src=eval("mnu" + nr + "_.src");
		     }   
	    }
  }
  function unroll(nr, divname){
       if (document.images) {
           if(navigator.appName=="Netscape" && (navigator.appName+navigator.appVersion).indexOf("Netscape5")<0){
		   	   if(divname!=""){
			   		eval("document."+divname+".document.images[\"mnu"+nr+"\"].src=mnu" + nr + ".src");
			   }
			   else{
			   		document.images["mnu" + nr ].src=eval("mnu" + nr + ".src");
			   }
           }
           else{
       			document.images["mnu" + nr ].src=eval("mnu" + nr + ".src");
           }
       }
  }