(function($){
	$(function() {
		var e = {}; // object to hold all the errors
		$('#upForm').bind("submit",function(){
			if($('#FirstName').isEmpty(1)) { 
				if(!(e.FirstName)) {
					$('#FirstName').insertErrorAfter(e.FirstName = "Please enter your first name.");
				}
			}else {
				$('#FirstName').clearErrorAfter();
				if(!!(e.FirstName)) {delete e.FirstName;}
			}
			if($('#LastName').isEmpty(1)) { 
				if(!(e.LastName)) {
					$('#LastName').insertErrorAfter(e.LastName = "Please enter your last name.");
				}
			}else {
				$('#LastName').clearErrorAfter();
				if(!!(e.LastName)) {delete e.LastName;}
			}
			if($('#ContactEmail').isEmpty(1)) { 
				if(!(e.ContactEmail)) {
					$('#ContactEmail').insertErrorAfter(e.ContactEmail = "Please enter your email address.");
				}
			}else {
				$('#ContactEmail').clearErrorAfter();
				if(!!(e.ContactEmail)) {delete e.ContactEmail;}
			}
			if($('#Comment').isEmpty(1)) { 
				if(!(e.Comment)) {
					$('#Comment').insertErrorAfter(e.Comment = "Please enter your comment.");
				}
			}else {
				$('#Comment').clearErrorAfter();
				if(!!(e.Comment)) {delete e.Comment;}
			}
			if(!isEmpty(e)) {
				$('#errorDiv').insertErrorInDiv();
			}
			return isEmpty(e);
		});
	});
})(jQuery)