var hide= false;
    	function show_dropdown(){
		if(!hide) document.getElementById("dd_list").style.visibility="visible";
		hide= false;
	}
	function downkey(){
	
	}
	
	function setText(name, val){
		hide=true;
		hide_list();
		document.getElementById("dd_text").value=name;
		window.open(val,'',"location=1,status=1,scrollbars=1,resizeable=1"); 
		
	}
	function hide_list(){
		document.getElementById("dd_list").style.visibility="hidden";
	}