function HideDIV(A, B) { 
		document.getElementById(A).style.display = "none"; 
		document.getElementById(B).style.display = "none";
		if (window.event)
			window.event.cancelBubble = true;
		else
			A.cancelBubble = true;
			B.cancelBubble = true;		
		}
	function DisplayDIV(A) { 
		document.getElementById(A).style.display = "block"; 
		if (window.event)
			window.event.cancelBubble = true;
		else
			A.cancelBubble = true;
		}