// JavaScript Document

function shw_hd_sbmn(obj) {
			if (document.getElementById(obj).style.display == 'none') {
				document.getElementById(obj).style.display = 'block';
			} else {
				document.getElementById(obj).style.display = 'none';
			}
		}
		
		function change_brand(cat_id) {
			for (i=1; i<5; i++) {
				document.getElementById('brnd0'+i).className = '';
				document.getElementById('cat0'+i).style.display = 'none';
			}
			document.getElementById('brnd0'+cat_id).className = 'selected';
			document.getElementById('cat0'+cat_id).style.display = 'block';
		}