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各位,请教问题,随页面滚动,十万火急!


收集:TTXS(Fcbu.Com)   来源:互联网   时间:2006-06-25 
各位,小弟请教一个问题,关于,一个层随页面滚动,加java script 可以的,现在给忘了,还有,在一个很长的页面里,当然,也有很多内容了,左侧的一个导航栏(是随页面滚动的)点击上面的连接,自动打开这个页面中的制定的那一部分内容,这种效果怎么实现的, 详细情况如下:http://www.yemaozhong.net/y_aboutus.html#Anchor_2_4
qq 407822165  msn houzx@cncbz.com 请各位指教,谢谢!!!
<style type="text/css">
#floater {
position: absolute;
left: 500;
top: 146;
width: 125;
visibility: visible;
z-index: 10;
}</style>
<div ID="floater" style="left: 590px; top: 158px">
<p align="center"><img SRC="tp1.gif" alt="图片显示的文字" WIDTH="125" HEIGHT="60"><br>
<font color="#FF8040">图片下面的文字</font></p>
</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>
加在<body>里 首先,再次谢谢 sweet snow 的回复, 这段代码是实现 随页面滚动的吧,代码,能简单些吗,
请问各位怎么 实现 图片,或层 自动随页面滚动,是 关于scrollbar 的一段javascript 代码, 有比较简单的吗,具体怎么做,请指教,qq 407822165 msn houzx@cncbz.com 谢谢!!!
把如下代码加入<body>区域中
  <script>
var scrollerwidth=115
var scrollerheight=131
var scrollerbgcolor=';#FFFFFF';
//3000 miliseconds=9 seconds
var pausebetweenimages=4000

var slideimages=new Array()
slideimages[0>=';<a href="http://www.yahoo.com.cn" target="_blank">中文雅虎</a><br><br><a href="http://www.263.net" target="_blank">首都在线</a><br><br><a href="http://fsnet.yes8.com/" target="_blank">网络特区</a><br><br><a href="http://go.163.com/~xiaofengyun/" target="_blank">风 云 居</a>';
slideimages[1>=';<a href="" target="_blank">你的链接</a><br><br><a href="" target="_blank">你的链接</a><br><br><a href="" target="_blank">你的链接</a><br><br><a href="" target="_blank">你的链接</a>';
slideimages[2>=';<a href="http://www.yahoo.com.cn" target="_blank">中文雅虎</a><br><br><a href="http://www.263.net" target="_blank">首都在线</a><br><br><a href="http://e23456.blogchina.com/" target="_blank">E路天下</a><br><br><a href="" target="_blank">你的链接</a>';
slideimages[3>=';<a href="" target="_blank">你的链接</a><br><br><a href="" target="_blank">你的链接</a><br><br><a href="" target="_blank">你的链接</a><br><br><a href="" target="_blank">你的链接</a>';


if (slideimages.length>1)
i=2
else
i=0

function move1(whichlayer){
tlayer=eval(whichlayer)
if (tlayer.top>0&&tlayer.top<=4){
tlayer.top=0
setTimeout("move1(tlayer)",pausebetweenimages)
setTimeout("move2(document.main.document.second)",pausebetweenimages)
return
}
if (tlayer.top>=tlayer.document.height*-1){
tlayer.top-=4
setTimeout("move1(tlayer)",100)
}
else{
tlayer.top=scrollerheight
tlayer.document.write(slideimages)
tlayer.document.close()
if (i==slideimages.length-1)
i=0
else
i
}
}

function move2(whichlayer){
tlayer2=eval(whichlayer)
if (tlayer2.top>0&&tlayer2.top<=4){
tlayer2.top=0
setTimeout("move2(tlayer2)",pausebetweenimages)
setTimeout("move1(document.main.document.first)",pausebetweenimages)
return
}
if (tlayer2.top>=tlayer2.document.height*-1){
tlayer2.top-=4
setTimeout("move2(tlayer2)",100)
}
else{
tlayer2.top=scrollerheight
tlayer2.document.write(slideimages)
tlayer2.document.close()
if (i==slideimages.length-1)
i=0
else
i
}
}

function move3(whichdiv){
tdiv=eval(whichdiv)
if (tdiv.style.pixelTop>0&&tdiv.style.pixelTop<=4){
tdiv.style.pixelTop=0
setTimeout("move3(tdiv)",pausebetweenimages)
setTimeout("move4(second2)",pausebetweenimages)
return
}
if (tdiv.style.pixelTop>=tdiv.offsetHeight*-1){
tdiv.style.pixelTop-=4
setTimeout("move3(tdiv)",100)
}
else{
tdiv.style.pixelTop=scrollerheight
tdiv.innerHTML=slideimages
if (i==slideimages.length-1)
i=0
else
i
}
}

function move4(whichdiv){
tdiv2=eval(whichdiv)
if (tdiv2.style.pixelTop>0&&tdiv2.style.pixelTop<=4){
tdiv2.style.pixelTop=0
setTimeout("move4(tdiv2)",pausebetweenimages)
setTimeout("move3(first2)",pausebetweenimages)
return
}
if (tdiv2.style.pixelTop>=tdiv2.offsetHeight*-1){
tdiv2.style.pixelTop-=4
setTimeout("move4(second2)",100)
}
else{
tdiv2.style.pixelTop=scrollerheight
tdiv2.innerHTML=slideimages
if (i==slideimages.length-1)
i=0
else
i
}
}

function startscroll(){
if (document.all){
move3(first2)
second2.style.top=scrollerheight
}
else if (document.layers){
move1(document.main.document.first)
document.main.document.second.top=scrollerheight 5
document.main.document.second.visibility=';show';
}
}

window.onload=startscroll

if (document.layers)
document.write(slideimages[0>)

if (document.layers)
document.write(slideimages[1>)

if (document.layers)
document.write(slideimages[0>)

if (document.all){
document.writeln(';<span id="main2" style="position:relative;width:'; scrollerwidth ';;height:'; scrollerheight ';;overflow:hiden;background-color:'; scrollerbgcolor ';">';)
document.writeln(';<div style="position:absolute;width:'; scrollerwidth ';;height:'; scrollerheight ';;clip:rect(0 '; scrollerwidth '; '; scrollerheight '; 0);left:0;top:0">';)
document.writeln(';<div id="first2" style="position:absolute;width:'; scrollerwidth ';;left:0;top:1;">';)
document.write(slideimages[0>)
document.writeln(';</div>';)
document.writeln(';<div id="second2" style="position:absolute;width:'; scrollerwidth ';;left:0;top:0">';)
document.write(slideimages[1>)
document.writeln(';</div>';)
document.writeln(';</div>';)
document.writeln(';</span>';)
}
</script>


<HTML><HEAD><TITLE>动态定位</TITLE></HEAD>
<SCRIPT language="JavaScript"><!--
function ichatload(){
ichat.style.top=document.body.scrollTop;
ichatmove();}
function ichatmove(){
ichat.style.top=document.body.scrollTop 45;
setTimeout("ichatmove();",0)}
//--!></script>
<BODY onload="ichatload()">
<TABLE border="1" width="700" id="table1" height="2000">
<TR>
<TD valign="top">
<DIV id=ichat style="height:170;width:170;background-color:orange;position:absolute;top:0;">
★★链接菜单以及随屏滚动的内容要放在此处!★★
</div>
</TD>
</TR>
</TABLE>
</BODY>
</HTML> 哦~楼上的代码好简单的说……又学会咯……谢谢~~~
o^0^o 呵呵~~我用的遨游 全部屏蔽浮动 所以我做的页面也都不带浮动
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