// JavaScript Document

function validateEmail(formRef, emailField) {
	var errs = 0;
	var errStr = '';
	var emailRegExp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	
	if (!emailRegExp.test(formRef[emailField].value)) {
		errs++;
		errStr += 'Please enter a valid email address.\n';
	}

	if (errs == 0) {
		return true;
	}
	else {
		alert(errStr);
		return false;
	}
}

function clearTextField(formfield, str) {
	
	if ((formfield.value) == str) {
		formfield.value = '';
	}

}

function resetTextField(formfield, str) {

	if (!formfield.value) {
		formfield.value = str;
	}

}