Exempel:
<head>
<script langauge="Javascript">
function hidelayer(layername) {
if (document.layers) document.layers[layername].visibility = "hide";
else if (document.all) document.all[layername].style.visibility = "hidden";
else if (document.getElementById) document.getElementById(layername).style.visibilit y = "hidden";
}
function showlayer(layername) {
if (document.layers) document.layers[layername].visibility = "show";
else if (document.all) document.all[layername].style.visibility = "visible";
else if (document.getElementById) document.getElementById(layername).style.visibilit y = "visible";
}
</script>
</head>
<body>
<div id="lager" style="visibility: hidden">Lager</div>
Visa lager
</body>
EDIT: Lagrets position kan bestämmas om du lägger till "position: absolute; top xx; left: xx" i style
Om du vill se hur man kan kombinera lager, iframes och annat ta en titt på min sida
quiz.nu