var win1 = null

		function HelpWindow(strURL, strMsg)
		{
			LeftPosition=(screen.width)?(screen.width-400)/2:100;
			TopPosition=(screen.height)?(screen.height-600)/2:100;
			settings = 'width=450,height=500,top=' + TopPosition + ',left=' + LeftPosition + ',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
			if(win1 == null)
				win1 = window.open (strURL, "ReplaceWin", settings);
			else
			{
				if(win1.closed)
					win1 = window.open (strURL, "ReplaceWin", settings);
				else
					win1.open (strURL, "ReplaceWin", settings);
				win1.focus();
			}

			window.status = strMsg;
		}

		function CloseHelpWindow()
		{
			if(win1!=null && win1.open)
				win1.close();
			window.status = "";
			return true;
		}

		function BlankStatusBar()
		{
			window.status = "";
			return true;
		}

		function InformationStatusBar()
		{
			window.status = "Information on this field";
			return true;
		}