function hover(id,x){
		Apath = x.split('.png');
		path = Apath[0] + '_up.png'; 
		id.src = path;
	}
	function offhover(id,x){
		Apath = x.split('_up.png');
		path = Apath[0] + '.png'; 
		id.src = path;
	}