<script>
var Xpos = 0;
var Ypos = 0;
var Ygravity = 0.9;
var scrollPos = 0;
var oldScrollPos = 0;
function FloatMenu() {
docWidth = document.body.clientWidth-100; // update document width
docHeight = document.body.clientHeight; // update document height
oldScrollPos = scrollPos;
scrollPos = document.body.scrollTop; // update scrollbar position
if(scrollPos > 200) scrollPos = 180;
Xpos = docWidth; //坷弗率 咯歸
Yboundary = scrollPos + 135;
if (floater.offsetTop < Yboundary - 10) // Object is behind boundary
Ypos += 3;
if (floater.offsetTop > Yboundary + 10) // Object is past boundary
Ypos -= 3;
Ypos *= Ygravity; // Slow object down
floater.style.pixelLeft = Xpos;
floater.style.pixelTop += Ypos; // Make object bounce
}
window.setInterval("FloatMenu()", 30); //
</script>
<STYLE>.floater {
POSITION: absolute; HEIGHT: 0px;width:100px;
}
</STYLE>
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<div id=floater class=floater>里面可以是圖片也可以是表格 ! </div>
?
posted on 2006-09-14 17:17
SIMONE 閱讀(252)
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