​x
 
<html>
<head>
<script type="text/javascript">
function setStyle()
{
document.body.style.background="#FFCC80 url(/i/eg_bg_desert.jpg) repeat-y";
}
</script>
</head>
<body>
​
<input type="button" onclick="setStyle()" value="Set background style" />
​
</body>
</html>
​