<script language="Javascript">
<!--rem speed數字越大移動速度越慢
var background = "http://圖片網址.gif";
var speed = 50;
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName != "Netscape" || browserVer >= 4.5) {
function moveback(movert,moveup,hPos,vPos) {
if (arguments[4])
document.body.style.backgroundImage = "url(\"" + arguments[4] + "\")";
if (arguments[5])
document.body.style.backgroundRepeat = arguments[5]
if (!isNaN(hPos)) {
if ((movert!=0) && (hPos>0)) hPos=-100000
hPos -= movert
}
if (!isNaN(vPos)) {
if ((moveup!=0) && (vPos>0)) vPos=-100000
vPos -= moveup}
document.body.style.backgroundPosition= hPos + " " + vPos
if (isNaN(hPos)) hPos = "\"" + hPos + "\""
if (isNaN(vPos)) vPos = "\"" + vPos + "\""
setTimeout("moveback("+movert+","+moveup+","+hPos+","+vPos+")",speed)
}
moveback(1,1,0,0, background);
}
//-->

</script>