// JavaScript Document

   var last_clicked="";
   function BUDEffect(element){
       new Effect.toggle(element,'Blind', {duration:1});
	  if (last_clicked!=""){
	   new Effect.toggle(last_clicked,'Blind', {duration:1});
	   }
	   last_clicked = element;
   }
 
    function BUDEffectclean(element){
	 
       new Effect.toggle(element,'Blind', {duration:1});
	
	   last_clicked = "";
   }