var hide= false;
function show_dropdown(){
	if(!hide) document.getElementById("dd_list").style.visibility="visible";
	hide= false;
	//document.getElementById("dd_text").value=121;
}
function downkey(){

}

function setText(val){
	hide=true;
	hide_list();
	document.getElementById("dd_text").value=val;

}
function hide_list(){
	document.getElementById("dd_list").style.visibility="hidden";
}