var img=new Array();
img[0]=new Image();img[0].src="img/e-1.gif";
img[1]=new Image();img[1].src="img/e-1o.gif";
img[2]=new Image();img[2].src="img/e-2.gif";
img[3]=new Image();img[3].src="img/e-2o.gif";
img[4]=new Image();img[4].src="img/e-3.gif";
img[5]=new Image();img[5].src="img/e-3o.gif";

function change_image(name,num) {
	document.images[name].src=img[num].src;
}