function checkEmail(email){
	var pattern = /^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
	if (pattern.test(email)) {
		return true;
	}

	return false;
}

/*
function filterNumeric(element) {
	element.value = element.value.replace(/[^0-9]* /, '');
}
*/

Event.observe(window, 'load', function() {
	var form = document.getElementById('contactform');
	if (form) {
		form.action = document.location.href;
	}
});