var formErrorMessage = "Submission error:\nYou missed some fields...";


function checkContactForm() {
	fields = "1,2";
	return checkFields(fields);
}

function checkFields(fFields) {
	fields = fFields.split(",");
	
	fReturn = true;
	fText = "";
	
	for (i=0; i<fields.length; i++) {
		thisField = document.getElementById("FIELD"+fields[i]);
		if (thisField.value == "") {
			fReturn = false;
			thisField.className = "formWarning";
		} else {
			thisField.className = "";
		}
	}	
	if (fReturn == false) {
		alert(formErrorMessage);
	}
	return fReturn;
}

window.onload = initPage();

function initPage() {
	if (document.getElementById('contactUsForm')) {
		document.getElementById('contactUsForm').onsubmit = checkContactForm;
	}
}