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QQ频道单行多条信息滚动代码

时间：2012-08-19 12:28 来源：未知作者：后浪收藏推荐

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">

<HTML><HEAD><TITLE>单行多条信息滚动</TITLE>
<SCRIPT language=javascript>function T(n){document.getElementById("ArticleCnt").style.fontSize=n+"px";}</SCRIPT>
<BODY>
<SCRIPT>  
function srcMarquee(){
this.ID = document.getElementById(arguments[0]);
if(!this.ID){this.ID = -1;return;}
this.Direction = this.Width = this.Height = this.DelayTime = this.WaitTime = this.Correct = this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
this.Step = 1;
this.Timer = 30;
this.DirectionArray = {"top":0 , "bottom":1 , "left":2 , "right":3};
if(typeof arguments[1] == "number")this.Direction = arguments[1];
if(typeof arguments[2] == "number")this.Step = arguments[2];
if(typeof arguments[3] == "number")this.Width = arguments[3];
if(typeof arguments[4] == "number")this.Height = arguments[4];
if(typeof arguments[5] == "number")this.Timer = arguments[5];
if(typeof arguments[6] == "number")this.DelayTime = arguments[6];
if(typeof arguments[7] == "number")this.WaitTime = arguments[7];
if(typeof arguments[8] == "number")this.ScrollStep = arguments[8]
this.ID.style.overflow = this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
this.ID.noWrap = true;
this.IsNotOpera = (navigator.userAgent.toLowerCase().indexOf("opera") == -1);
if(arguments.length >= 7)this.Start();
}
srcMarquee.prototype.Start = function(){
if(this.ID == -1)return;
if(this.WaitTime < 800)this.WaitTime = 800;
if(this.Timer < 20)this.Timer = 20;
if(this.Width == 0)this.Width = parseInt(this.ID.style.width);
if(this.Height == 0)this.Height = parseInt(this.ID.style.height);
if(typeof this.Direction == "string")this.Direction = this.DirectionArray[this.Direction.toString().toLowerCase()];
this.HalfWidth = Math.round(this.Width / 2);
this.BakStep = this.Step;
this.ID.style.width = this.Width;
this.ID.style.height = this.Height;
if(typeof this.ScrollStep != "number")this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
var msobj = this;
var timer = this.Timer;
var delaytime = this.DelayTime;
var waittime = this.WaitTime;
msobj.StartID = function(){msobj.Scroll()}
msobj.Continue = function(){
if(msobj.MouseOver == 1){
setTimeout(msobj.Continue,delaytime);
     }
     else{ clearInterval(msobj.TimerID);
msobj.CTL = msobj.Stop = 0;
msobj.TimerID = setInterval(msobj.StartID,timer);
     }
    }
msobj.Pause = function(){
msobj.Stop = 1;
clearInterval(msobj.TimerID);
setTimeout(msobj.Continue,delaytime);
    }
msobj.Begin = function(){
   msobj.ClientScroll = msobj.Direction > 1 ? msobj.ID.scrollWidth : msobj.ID.scrollHeight;
   if((msobj.Direction <= 1 && msobj.ClientScroll <msobj.Height) || (msobj.Direction > 1 && msobj.ClientScroll <msobj.Width))return;
   msobj.ID.innerHTML += msobj.ID.innerHTML;
   msobj.TimerID = setInterval(msobj.StartID,timer);
   if(msobj.ScrollStep < 0)return;
   msobj.ID.onmousemove = function(event){
       if(msobj.ScrollStep == 0 && msobj.Direction > 1){
var event = event || window.event;
if(window.event){
if(msobj.IsNotOpera){msobj.EventLeft = event.srcElement.id == msobj.ID.id ? event.offsetX - msobj.ID.scrollLeft : event.srcElement.offsetLeft - msobj.ID.scrollLeft + event.offsetX;}
else{msobj.ScrollStep = null;return;}
}
else{msobj.EventLeft = event.layerX - msobj.ID.scrollLeft;}
msobj.Direction = msobj.EventLeft > msobj.HalfWidth ? 3 : 2;
msobj.AbsCenter = Math.abs(msobj.HalfWidth - msobj.EventLeft);
msobj.Step = Math.round(msobj.AbsCenter * (msobj.BakStep*2) / msobj.HalfWidth);
}
}
msobj.ID.onmouseover = function(){
if(msobj.ScrollStep == 0)return;
msobj.MouseOver = 1;
clearInterval(msobj.TimerID);
}
msobj.ID.onmouseout = function(){
if(msobj.ScrollStep == 0){
if(msobj.Step == 0)msobj.Step = 1;
return;
}
msobj.MouseOver = 0;
if(msobj.Stop == 0){
clearInterval(msobj.TimerID);
msobj.TimerID = setInterval(msobj.StartID,timer);
}}}
setTimeout(msobj.Begin,waittime);
}
srcMarquee.prototype.Scroll = function(){
switch(this.Direction){
case 0:
this.CTL += this.Step;
if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
this.ID.scrollTop += this.ScrollStep + this.Step - this.CTL;
this.Pause();
return;
}
else{
if(this.ID.scrollTop >= this.ClientScroll){this.ID.scrollTop -= this.ClientScroll;}
this.ID.scrollTop += this.Step;
}
break;
case 1:
this.CTL += this.Step;
if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
this.ID.scrollTop -= this.ScrollStep + this.Step - this.CTL;
this.Pause();
return;
}
else{
if(this.ID.scrollTop <= 0){this.ID.scrollTop += this.ClientScroll;}
this.ID.scrollTop -= this.Step;
}
break;
case 2:
this.CTL += this.Step;
if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
this.ID.scrollLeft += this.ScrollStep + this.Step - this.CTL;
this.Pause();
return;
}
else{
if(this.ID.scrollLeft >= this.ClientScroll){this.ID.scrollLeft -= this.ClientScroll;}
this.ID.scrollLeft += this.Step;
}
break;
case 3:
this.CTL += this.Step;
if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
this.ID.scrollLeft -= this.ScrollStep + this.Step - this.CTL;
this.Pause();
return;
}
else{
if(this.ID.scrollLeft <= 0){this.ID.scrollLeft += this.ClientScroll;}
this.ID.scrollLeft -= this.Step;
}
break;
}
} 
</SCRIPT>
<STYLE>#nav {
MARGIN: 7px auto 0px; HEIGHT: 117px
}
#nav #hotnews {
BORDER-BOTTOM-WIDTH: 0px; HEIGHT: 89px
}
#Scroll {
CLEAR: both; BORDER-RIGHT: #cdc9ca 1px solid; BORDER-TOP: #cdc9ca 1px solid; PADDING-LEFT: 100px; FONT-SIZE: 12px; BACKGROUND: url(http://mat1.qq.com/news/images/pub/2007/n_scroll.gif) no-repeat 18px 7px; MARGIN: 0px auto; BORDER-LEFT: #cdc9ca 1px solid; WIDTH: 808px; COLOR: #c2130e; LINE-HEIGHT: 27px; BORDER-BOTTOM: #cdc9ca 1px solid; HEIGHT: 27px; TEXT-ALIGN: left
}
#Scroll A {
PADDING-RIGHT: 20px; PADDING-LEFT: 10px; BACKGROUND: url(http://mat1.qq.com/news/images/pub/2007/n_bar.gif) no-repeat 0px 0px; COLOR: #000; MARGIN-RIGHT: 5px; TEXT-DECORATION: none
}
#Scroll A.s_end {
PADDING-RIGHT: 0px; MARGIN-LEFT: 8px
}
</STYLE>
<DIV id=Scroll>
<DIV id=ScrollMe style="OVERFLOW: hidden; HEIGHT: 27px"><A 
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<BR></DIV></DIV>
<SCRIPT>new srcMarquee("ScrollMe",0,1,808,27,30,3000,3000,27)</SCRIPT>
</DIV></BODY></HTML>

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