function ValidateLogin() {
	var f = document.getElementById('loginForm');
	return ValidateRequired(f, ['user_name','user_pass']);
}

function ValidateSearch( f ) {
	if (!f || !f.age_min || !f.age_max) return false;

	MinAge = parseInt(f.age_min.value ? f.age_min.value : f.age_min.options[f.age_min.selectedIndex].text, 10);
	MaxAge = parseInt(f.age_max.value ? f.age_max.value : f.age_max.options[f.age_max.selectedIndex].text, 10);

	if (MinAge <= MaxAge ) {
		f.submit();
		return true;
	} else {
		alert("Error: " + f.age_min.title + " is groter dan " + f.age_max.title);
		return false;
	}
}