// SW Metals Rollovers
function rollover(id,mode) {
	var image = document.getElementById(id);
	if(mode=='on') {
		var source = 'images/nav/'+id+'_on.gif';
		image.src=source;
	}else{
		var source = 'images/nav/'+id+'_off.gif';
		image.src=source;			
	}
}