function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

if (document.images) {
n1h = newImage("images/n1h.gif");
n2h = newImage("images/n2h.gif");
n3h = newImage("images/n3h.gif");
n4h = newImage("images/n4h.gif");
n5h = newImage("images/n5h.gif");
n6h = newImage("images/n6h.gif");
n7h = newImage("images/n7h.gif");
n8h = newImage("images/n8h.gif");
n9h = newImage("images/n9h.gif");

contattarcih = newImage("images/contattarcih.gif");
commentih = newImage("images/commentih");
}

function sh(where) {
if (document.images) {
stored=where;
document.images[where].src="images/"+where+"h.gif";
}
}

function hd() {
if (document.images) {
where=stored;
document.images[where].src="images/"+where+".gif";
}
}