function ShowHelp(Ref) {
	//var Presentation;
	if (Presentation == null || Presentation.closed) {
		Presentation = window.open(Ref,'new','toolbar=NO,location=NO,directories=NO,status=NO,menubar=NO,scrollbars=NO,resizable=YES,copyhistory=NO,width=500,height=500');
	   }
	else {
		Presentation.location.href = Ref;
		//window.blur();
		Presentation.focus();
	     }
	}
function CloseHelp() {
                window.blur();
                Presentation = window.close();
}

function CloseHelpSoon() {
   setTimeout("CloseHelp()",5000)
}