var popdownauf = false;
var pdlink = false;
var pdbox = false;
var pdmainbox = false;

function getById(id)
{
	n4 = document.layers;
	ie = document.all;
	w3c = document.documentElement;

	if(ie) return document.all[id];
		else
		if(w3c) return document.getElementById(id);
		else return false;
}

function hidewithdelay(id,delay)
{
	setTimeout("hide('"+id+"')",delay);
}

function hide(id)
{
	if(popdownauf && !pdbox && !pdlink && !pdmainbox)
	{
		var ele = getById(id);
		//ele.style.height = '0';
		ele.style.visibility = 'hidden';
		popdownauf=false;
	}
}

function unhidewithdelay(id,delay)
{
	setTimeout("unhide('"+id+"')",delay);
}

function unhide(id)
{
	if(!popdownauf && !pdbox && !pdlink)
	{
		var ele = getById(id);
		ele.style.height = '';
		ele.style.visibility = 'visible';
		popdownauf = true;
	}
}