function checkEmail(lstrValue) {
		return (lstrValue.search(/^[\w\.\-_]+@([\w\.\-_]+\.)+[A-Za-z]{2,4}$/) != -1)
	}
	
	function fnFormCheck() {
		var msgErr		= "De volgende velden zijn niet, of niet juist, ingevuld:\n\n";
		var msgName		= "- uw naam\n";
		var msgEmail	= "- uw e-mailadres\n";	
		
		var oFrm = document.forms.frmContact;
		var errLvl = 0;
		var errMsg = "";
	
		if(oFrm.txtName.value == '') { errLvl = 1; errMsg += msgName; }
		if((oFrm.txtEmail.value == '') || (checkEmail(oFrm.txtEmail.value) == false)) { errLvl=1; errMsg += msgEmail; }
		
		if(errLvl != 0) {
			alert(msgErr + errMsg);
		} else {
			oFrm.submit();
		}
	}