document.observe('dom:loaded', function() {
	$('frmContactUs').observe('submit', function(e) {
		e.stop();
		var errorMessage = "";
		$('contactUsErrors').update("");
		if($('txtFirstName').value.length == 0) {
			errorMessage += "First Name Required<br />";
		}
		if($('txtLastName').value.length == 0) {
			errorMessage += "Last Name Required<br />";
		}
		if($('txtComments').value.length == 0) {
			errorMessage += "Comments Required<br />";
		}
		if($('txtEmail').value.length == 0) {
			errorMessage += "Email Required<br />";
		} else if(isValidEmail($('txtEmail').value) ==  false) {
			errorMessage += "Email Invalid<br />";
		}
		if(errorMessage.length == 0) {
			$('frmContactUs').submit();
		} else {
			$('contactUsErrors').update(errorMessage);
		}
	});
});