function cambia(){
	/*if(document.search_form['country'].value == 3){
		document.search_form['zipcode'].disabled = false;
		document.search_form['part_name'].disabled = false;
		document.search_form['within'].disabled = false;
	} else {
		document.search_form['zipcode'].disabled = true;
		document.search_form['part_name'].disabled = true;
		document.search_form['within'].disabled= true; 
	}*/
}