var eximg = new Array();
for(i=0;i<=12;i++){
	eximg[i] = new Image();
	eximg[i].src = "image/menu" + i + ".gif";
	}

var style = new Array();
style[0] = "none";
style[1] = "block";

function Change(p,q,r){
document.images["exmsg"].src=eximg[q].src;
document.images["col"+p].style.display=style[r];
}