// Does a nifty grey fade out when logging out 

function log_out()
{
	//ht = document.getElementById("qname");
	ht = document.getElementsByTagName("body"); 
	ht[0].style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm('Are you sure you want to log out?'))
	{
		return true;
	}
	else
	{
		ht[0].style.filter = "";
		return false;
	}
}