function updateModels(model) {
	var make = $('make').options[$('make').selectedIndex].value;
	new Ajax.Updater('modelHTML', '/addons/vehicle_models/models/?search=1&id='+make+'&model='+model, { method: 'get' });
}

function validateSearchForm(theForm) {
	if($('make').selectedIndex < 1) {
		alert("Make must be selected.");
		return false;
	}
	return true;
}