var pop_timer;
var cur_pops;
	cur_pops="";

function show_obj(obj_id)
{
	obj=document.getElementById(obj_id);
	//obj.style.display='block';
	obj.style.visibility='visible';
}

function show_pop(obj_id)
{
	show_obj(obj_id);
	cur_pops=obj_id;
}

function hide_obj(obj_id)
{
	
	obj=document.getElementById(obj_id);
	obj.style.visibility='hidden';
//	obj.style.display='none';
}

function start_pop_timer()
{
	clearTimeout(pop_timer);
	pop_timer=setTimeout("clear_pops();",200);	
}

function stop_pop_timer()
{
	clearTimeout(pop_timer);
}

function clear_pops()
{
	clearTimeout(pop_timer);
	if(cur_pops!="")
		hide_obj(cur_pops);
	cur_pops="";
}


function show_loading()
{
	loading_div=document.getElementById('loading_base');
	loading_div.style.visibility='visible';
	window.onunload = function () {
	loading_div=document.getElementById('loading_base');
	loading_div.style.visibility='hidden';
}
}