function over(img,ref) { img.src = ref; }
function out(img,ref) { img.src = ref; }

var imgName = Array
(
	"img/go_about_1.gif",
	"img/go_2.gif"
);
var imgObj = Array();
for (var i = 0; i < imgName.length; i++)
{
	imgObj[i] = new Image;
	imgObj[i].src = imgName[i];
}