页面中模拟滚动条效果-JS特效-爱易网页

页面中模拟滚动条效果

日期：2014-05-18　浏览次数：20222 次

以下是程序代码

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="keywords" content="站长,网页特效,js特效,广告代码,zzjs,zzjs.net,sky,www.zzjs.net,站长特效 网" />
<meta name="description" content="www.zzjs.net,站长特效网，站长必备js特效及广告代码。大量高质量js特效，提供高质量广告代码下载,尽在站长特效网" />
<title>页面中模拟滚动条效果，sky整理收集，zzjs.net欢迎您。</title>
<STYLE type=text/css>
#scrollerContent {POSITION: absolute}
body {font-size:9pt;color:#660000;text-decoration: none}
</STYLE>
<script>
var upH = 13;//向上的箭头的高度
var upW = 9; //向上的箭头的宽度
var downH = 13;//向下的箭头的高度
var downW = 9;//向下的箭头的宽度
var dragH = 26; //滚动条的高度
var dragW = 9; //滚动条的宽度
var scrollH =68; //滚动体的高度
var speed =9; //滚动的速度
var dom = document.getElementById ? true:false;
var nn4 = document.layers ? true:false;
var ie4 = document.all ? true:false;
var mouseY;
var mouseX;
var clickUp = false;
var clickDown = false;
var clickDrag = false;
var clickAbove = false;
var clickBelow = false;
var timer = setTimeout("",500);
var upL;
var upT;
var downL;
var downT;
var dragL;
var dragT;
var rulerL;
var rulerT;
var contentT;
var contentH;
var contentClipH;
var scrollLength;
var startY;
function down(e){
if((document.layers && e.which!=1) || (document.all && event.button!=1)) return true;
getMouse(e);
startY = (mouseY - dragT);
if(mouseX >= upL && (mouseX <= (upL + upW)) && mouseY >= upT && (mouseY <= (upT + upH))){
clickUp = true;
return scrollUp();
}
else if(mouseX >= downL && (mouseX <= (downL + downW)) && mouseY >= downT && (mouseY <= (downT + downH))){
clickDown = true;
return scrollDown();
}
else if(mouseX >= dragL && (mouseX <= (dragL + dragW)) && mouseY >= dragT && (mouseY <= (dragT + dragH))){
clickDrag = true;
return false;
}
else if(mouseX >= dragL && (mouseX <= (dragL + dragW)) && mouseY >= rulerT && (mouseY <= (rulerT + scrollH))){
if(mouseY < dragT){
clickAbove = true;
clickUp = true;
return scrollUp();
}
else{
clickBelow = true;
clickDown = true;
return scrollDown();
}
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
else{
return true;
}
}
function move(e){
if(clickDrag && contentH > contentClipH){
getMouse(e);
dragT = (mouseY - startY);
if(dragT < (rulerT))
dragT = rulerT;
if(dragT > (rulerT + scrollH - dragH))
dragT = (rulerT + scrollH - dragH);
contentT = ((dragT - rulerT)*(1/scrollLength));
contentT = eval('-' + contentT);
moveTo();
if(ie4)
return false;
}
}
function up(){
clearTimeout(timer);
clickUp = false;
clickDown = false;
clickDrag = false;
clickAbove = false;
clickBelow = false;
return true;
}
function getT(){
if(ie4)
contentT = document.all.scrollerContent.style.pixelTop;
else if(nn4)
contentT = document.scrollerContentClip.document.scrollerContent.top;
else if(dom)
contentT = parseInt(document.getElementById("scrollerContent").style.top);
}
function getMouse(e){
if(ie4){
mouseY = event.clientY + document.body.scrollTop;
mouseX = event.clientX + document.body.scrollLeft;
}
else if(nn4 || dom){
mouseY = e.pageY;
mouseX = e.pageX;
}
}
function moveTo(){
if(ie4){
document.all.scrollerContent.style.top = contentT;
document.all.ruler.style.top = dragT;
document.all.drag.style.top = dragT;
}
else if(nn4){
document.scrollerContentClip.document.scrollerContent.top = contentT;
document.ruler.top = dragT;
document.drag.top = dragT;
}
else if(dom){
document.getElementById("scrollerContent").style.top = contentT + "px";
document.getElementById("drag").style.top = dragT + "px";
document.getElementById("ruler").style.top = dragT + "px";
}
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
function scrollUp(){
getT();
if(clickAbove){
if(dragT <= (mouseY-(dragH/2)))
return up();
}
if(clickUp){
if(co</div></div>

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