var foo = new Array();
	foo[0] = new Image(); foo[1] = new Image(); foo[2] = new Image();
	foo[0].src = "../images/18_over.jpg";
	foo[1].src = "../images/19_over.jpg";
	foo[2].src = "../images/20_over.jpg";

	function mmover(div,img){
		if(div){
			div.style.backgroundImage = "url('/images/"+img+"_over.jpg')";
		}
	}
	
	function mmout(div,img){
		if(div){
			div.style.backgroundImage = "url('/images/"+img+".jpg')";
		}
	}