function show_hide(div, time)
{

var element = document.getElementById(div);
if (element.style.display == "none")
{
element.style.display = 'block';
	if(time > 0)
	{
		setTimeout('document.getElementById("' + div + '").style.display = "none";', time);
	}
}
else
{
element.style.display = 'none';
}

return false;

}