function openNewWindow(strURL,strName,intHeight,intWidth) 
{
	var w = 480, h = 340;

	if (document.all || document.layers) 
	{
	   w = screen.availWidth;
	   h = screen.availHeight;
	}

	var popW = intWidth, popH = intHeight;
	var leftPos = (w-popW)/2, topPos = (h-popH)/2;
	var openCode = 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=' + popW + ',height=' + popH + ',top=' + topPos + ',left=' + leftPos
	
	window.open(strURL,strName,openCode);
		
}