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[giveyourhelp]

csdb那个当滚动时，那个广告也向下动，是怎样实现的啊？

具体些点代码啊，用层的话 是个什么事件啊？

[nba23]

<body>
<style type="text/css">
#floater {
position: absolute;
left: 500;
top: 146;
width: 125;
visibility: visible;
z-index: 10;
}</style>
<div ID="floater" style="left: 110px; top: 158px"> <!--定义浮动广告的位置-->
<p align="center">
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="100" height="100">
<param name="movie" value="aspjsp0418%5B1%5D.swf">
<param name="quality" value="high">
<embed src="aspjsp0418%5B1%5D.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="100" height="100"></embed></object>
<br>
<font color="#FF8040">说明文字</font><!--也可以没有--></p>
</div>
<p>
<script LANGUAGE="JavaScript">
self.onError=null;
currentX = currentY = 0;
whichIt = null;
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;
<!-- STALKER CODE -->
function heartBeat() {
if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
if(diffY != lastScrollY) {
percent = .1 * (diffY - lastScrollY);
if(percent > 0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelTop += percent;
if(NS) document.floater.top += percent;
lastScrollY = lastScrollY + percent;
}
if(diffX != lastScrollX) {
percent = .1 * (diffX - lastScrollX);
if(percent > 0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelLeft += percent;
if(NS) document.floater.left += percent;
lastScrollX = lastScrollX + percent;
}
}
<!-- /STALKER CODE -->
<!-- DRAG DROP CODE -->
function checkFocus(x,y) {
stalkerx = document.floater.pageX;
stalkery = document.floater.pageY;
stalkerwidth = document.floater.clip.width;
stalkerheight = document.floater.clip.height;
if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
else return false;
}
function grabIt(e) {
if(IE) {
whichIt = event.srcElement;
while (whichIt.id.indexOf("floater") == -1) {
whichIt = whichIt.parentElement;
if (whichIt == null) { return true; }
}
whichIt.style.pixelLeft = whichIt.offsetLeft;
whichIt.style.pixelTop = whichIt.offsetTop;
currentX = (event.clientX + document.body.scrollLeft);
currentY = (event.clientY + document.body.scrollTop);
} else {
window.captureEvents(Event.MOUSEMOVE);
if(checkFocus (e.pageX,e.pageY)) {
whichIt = document.floater;
StalkerTouchedX = e.pageX-document.floater.pageX;
StalkerTouchedY = e.pageY-document.floater.pageY;
}
}
return true;
}
function moveIt(e) {
if (whichIt == null) { return false; }
if(IE) {
newX = (event.clientX + document.body.scrollLeft);
newY = (event.clientY + document.body.scrollTop);
distanceX = (newX - currentX); distanceY = (newY - currentY);
currentX = newX; currentY = newY;
whichIt.style.pixelLeft += distanceX;
whichIt.style.pixelTop += distanceY;
if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;
if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
event.returnValue = false;
} else {
whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
return false;
}
return false;
}
function dropIt() {
whichIt = null;
if(NS) window.releaseEvents (Event.MOUSEMOVE);
return true;
}
<!-- DRAG DROP CODE -->
if(NS) {
window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
window.onmousedown = grabIt;
window.onmousemove = moveIt;
window.onmouseup = dropIt;
}
if(IE) {
document.onmousedown = grabIt;
document.onmousemove = moveIt;
document.onmouseup = dropIt;
}
if(NS || IE) action = window.setInterval("heartBeat()",1);
</script>
<p> 
<p>1在你的BODY区插入帖子里面的JS就OK了
<p> 
<p> 
<p> 
<p> 
<p> 
<p> 
<p>2在你的BODY区插入帖子里面的JS就OK了
<p> 
<p> 
<p> 
<p> 
<p> 
<p> 
<p>3在你的BODY区插入帖子里面的JS就OK了
<p> 
<p> 
<p> 
<p> 
<p> 
<p> 
<p>3在你的BODY区插入帖子里面的JS就OK了<p> 
<p> 
<p> 
<p> 
<p> 
<p> 
<p>3在你的BODY区插入帖子里面的JS就OK了
</body>

[nba23]

你在你的IE缓存里找到aspjsp0418[1].swf放到含有上面代码的网页的同一目录就直接就可以看到效果

[wanghr100]

<script language="javascript">
var imgheight
var imgleft
//document.ns = navigator.appName == "Netscape"
isNS = (document.layers)?true:false; //NS4:true ie\ns6、7:false
window.screen.width>800 ? imgheight=150:imgheight=150
window.screen.width>800 ? imgleft=15:imgleft=120
function myLeftload()
{
if (isNS)
{document.myleft.pageY=pageYOffset+window.innerHeight-imgheight;
document.myleft.pageX=imgleft;
leftmove();
}
else
{
myleft.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
myleft.style.left=imgleft;
leftmove();
}
}
function leftmove()
{
if(isNS)
{
document.myleft.top=pageYOffset+window.innerHeight-imgheight
document.myleft.left=imgleft;
setTimeout("leftmove();",80)
}
else
{
myleft.style.top=document.body.scrollTop+document.body.offsetHeight-imgheight;
myleft.style.left=imgleft;
setTimeout("leftmove();",80)
}
}
function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((isNS)&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true)
if (isNS)
{
document.write("<layer id=myleft top=300 width=80 height=80>");
document.write("<a href=http://www.now.net.cn/?from=csdn.net target=_blank>");
document.write("<EMBED src='/adv/homepage/aspjsp0418.swf' quality=high border=0 WIDTH=80 HEIGHT=80 TYPE='application/x-shockwave-flash' wmode=transparent></EMBED></a>");
document.write("</layer>");
myLeftload()}
else
{
document.write("<div id=myleft style='position: absolute;width:80;top:300;left:5;visibility: visible;z-index: 1'>");
document.write("<a href=http://www.now.net.cn/?from=csdn.net target=_blank>");
document.write("<EMBED src='/adv/homepage/aspjsp0418.swf' quality=high border=0 WIDTH=80 HEIGHT=80 TYPE='application/x-shockwave-flash' wmode=transparent></EMBED></a>");
document.write("</div>");
myLeftload()
}
</script>