function switchCard(active, nonactive) {
		acl = document.getElementById(active);
			nacl = document.getElementById(nonactive);
			
			acd = document.getElementById(active+'_cat');
			nacd = document.getElementById(nonactive+'_cat');
			
			if(nacl) {
				nacl.className = "nonactive";
				nacd.className = "noactive";
			}
			if(acl) {
				acl.className = "active";
				acd.className = "active";
			}			
		}