var gbIsIE;
		var gDoc;
		var gFrm;

		function body_onLoad()
		{		
			if (document.all != null)
			{
				gbIsIE = true;
				gDoc = document.all;
			}
			else
			{
				gbIsIE = false;
				gDoc = document;
			}
			if (gDoc.frmForm != null)
				gFrm = gDoc.frmForm;
		}
 		
 		function CancelSubmit()
		{
			if (gbIsIE)
			{
				window.event.cancelBubble = true;
				window.event.returnValue = false;
			}
		}
 		
		function btnSubmit_onClick()
		{						
			if (gFrm.Route.value == "")
			{
				alert(strSelRouteMsg);
				gFrm.Route.focus();
				CancelSubmit();
				return (false);
			}
			
			if (gFrm.Period.value == "")
			{
				alert(strSelMonthMsg);
				gFrm.Period.focus();
				CancelSubmit();
				return (false);
			}
			
			if (gFrm.Year.value == "")
			{
				alert(strSelYearMsg);
				gFrm.Year.focus();
				CancelSubmit();
				return (false);
			}

			if (gbIsIE)
			{
				window.event.cancelBubble = true;
				window.event.returnValue = true;
			}				
					
		gFrm.submit();
		return false;
		}