function formError(){
	clearErrors();
	var formItems = $("div.form-item, div.form-item-check");
	for(var i=0;i<formItems.length;i++){
		var theSpans = formItems[i].getElementsByTagName("span");
		for(var j=0;j<theSpans.length;j++){
			if (theSpans[j].style.display=="inline"){
				addClass(theSpans[j].parentNode, "error");
			}
		}
	}
}

function clearErrors(){
	var formErrors = $("div.error");
	for(var i=0;i<formErrors.length;i++){
		removeClass(formErrors[i], "error");
	}
}

function checkForErrors(sender, args){
	formError();
	args.IsValid = true;
}