/*
*
*
*/

	function f_scrollTop() 
	{
		return f_filterResults (
			window.pageYOffset ? window.pageYOffset : 0,
			document.documentElement ? document.documentElement.scrollTop : 0,
			document.body ? document.body.scrollTop : 0
		);
	}
	        
	function f_filterResults(n_win, n_docel, n_body) 
	{
		var n_result = n_win ? n_win : 0;
		if (n_docel && (!n_result || (n_result > n_docel)))
			n_result = n_docel;
		return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
	}
                
	function showNow()
	{
		var ld=(document.all);
		var ns4=document.layers;
		var ns6=document.getElementById&&!document.all;
		var ie4=document.all;
		if (ns4)
		{
			ld=document.PleaseWaitScreen;
		}
		else if (ns6)
		{
			ld=document.getElementById("PleaseWaitScreen").style;
		}
		else if (ie4)
		{
			ld=document.all.PleaseWaitScreen.style;
		}           
		if(ns4)
		{
			ld.visibility="hidden";                
		}
		else if (ie4) 
		{
			document.all.PleaseWaitScreen.style.pixelTop = document.body.scrollTop + f_scrollTop();
			ld.display="block";
		}
		else if (ns6) 
		{
			var yPos = f_scrollTop() + document.body.scrollTop;
			document.getElementById("PleaseWaitScreen").style.top = yPos + "px";          
			ld.display="block";
		}           
	}

	function BlockKeyPress()
	{
		if (window.event)
		{
			// IE.
			window.event.returnValue = false;
		}
	        
		// FireFox.
		return false;
	}