function refresh_dropdowns() {
	var location = getSelectValue('location');
	var contacts = getElementsByClass('contact_list');

	for (var i=0; i<contacts.length; i++) {
		contacts[i].name = contacts[i].id;
		hideElement(contacts[i].id);
	}
	
	if (location != '') {
		showElement('emp_contact_' + location);
		$('emp_contact_' + location).name = "emp_contact";
	}
}