求一个在窗体右侧的随窗体上下运动的层的实例！！

<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>跟随屏幕移动的图像</title>
<style type="text/css">
#floater {position: absolute;left: 500;top: 146;width: 125;visibility: visible;z-index: 10;}
</style></head><body>
<div ID="floater" style="left:150px; top: 80px">
<p align="center"><img SRC="http://www.csdn.net/images/csdn.gif" alt="图片显示的文字"><br></p>
<table><tr><td height=1000></td></tr></table></div><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>
</body></html>

解决方案 »

  1.   

    <STYLE TYPE='text/css'>
        #myChaser {
            position:absolute;
            left:200px;
            top:0px;
            width:250px;
            color:#555555; 
            font-family:verdana, arial, sans-serif;
            font-size:12px;
        }
    </STYLE></HEAD><BODY>
    <DIV ID='myChaser'>
    位置相对固定的层，可以任意设置。<br>
        This is the actual chaser element.
        You can put any valid HTML in here,
        and style it however you wish.
    </DIV>
    <SCRIPT LANGUAGE='JavaScript'>
    var oChaser = {
    topMargin : 25,
    callRate : 10,
    slideTime : 1200,
    maxDiff : document.all ? document.body.clientHeight : window.innerHeight,
    isIE : document.all ? true : false,
    chaserDiv : document[document.all ? "all" : "layers"]["myChaser"]
    }window.setInterval("oChaser.main( )", oChaser.callRate)oChaser.main = function( )
    {
    this.currentY = this.isIE ? this.chaserDiv.style.pixelTop : this.chaserDiv.top //pixelTop:&cedil;&Atilde;&para;&Ocirc;&Iuml;ó&micro;&Auml;top&Ecirc;&ocirc;&ETH;&Ocirc;&Ouml;&micro;&pound;&not;&Oacute;&euml;top&Ecirc;&yacute;&Ouml;&micro;&Ograve;&raquo;&Ntilde;ù&pound;&not;&micro;&laquo;&Euml;ü&Ecirc;&Ccedil;&Otilde;&ucirc;&ETH;&Iacute;&pound;&not;&sup2;&raquo;&Ecirc;&Ccedil;×&Ouml;·&ucirc;&ETH;&Iacute;&micro;&Auml;&Ouml;&micro;
    this.scrollTop = this.isIE ? document.body.scrollTop : window.pageYOffset //scrollTop:&para;&yen;&sup2;&iquest;&sup1;&ouml;&para;&macr;&sup1;&yacute;&micro;&Auml;&frac34;à&Agrave;&euml;
    var newTargetY = this.scrollTop + this.topMargin if ( this.currentY != newTargetY ) { if ( newTargetY != this.targetY ) { this.targetY = newTargetY
    this.slideInit( )

    } this.slide( )

    }
    }oChaser.slideInit = function( )
    {
    var now = new Date( )

    this.A = this.targetY - this.currentY
    this.B = Math.PI / ( 2 * this.slideTime )
    this.C = now.getTime( ) if (Math.abs(this.A) > this.maxDiff) {
    this.D = this.A > 0 ? this.targetY - this.maxDiff : this.targetY + this.maxDiff
    this.A = this.A > 0 ? this.maxDiff : -this.maxDiff
    } else {
    this.D = this.currentY
    }
    }
    oChaser.slide = function( )
    {
    var now = new Date( )
    var newY = this.A * Math.sin( this.B * ( now.getTime( ) - this.C ) ) + this.D
    newY = Math.round( newY ) if (( this.A > 0 && newY > this.currentY ) ||( this.A < 0 && newY < this.currentY )) {

    if ( this.isIE )this.chaserDiv.style.pixelTop = newY
    else this.chaserDiv.top = newY
    }
    }
    </SCRIPT>
    <BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR>
    <BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR>
    <BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR></BODY>
    </HTML>
      

  2.   

    以上几位朋友，请你们再看看我现在需要，当鼠标移动到层上面的时侯，修改层左右方向的位置可是我在<div onmouseover＝修改后不行而且也不太了解左右方向的控制请指点？