右下角悬浮,滚动条,大小

一共几个文件,传附件了,主要代码为

function tips_pop(){
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);//将对象的高度转化为数字
   if (popH==0){
   MsgPop.style.display="block";//显示隐藏的窗口
show=setInterval("changeH('up')",2);
   }
else { 
   hide=setInterval("changeH('down')",2);
}
}
function dang()
{
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);//将对象的高度转化为数字
//var ttop = document.getElementById('winpop').style.top
if (popH>55)
{
document.getElementById('winpop').style.height=(popH-4)+"px";
//if (jjww < 1300)
//{
//document.getElementById('winpop').style.top= jjww +4;
//jjww = jjww+3;
//}
setTimeout("dang()",1);//3秒后调用tips_pop()这个函数
}
else
{
jjww = document.documentElement.scrollTop+document.documentElement.clientHeight-50;
document.getElementById('guanbi').src='/images/fd_dk.gif';
document.getElementById('guanbia').href='javascript:dang2()';
setTimeout("move(jjww)",1);//3秒后调用tips_pop()这个函数
}
//alert(jjww);
}
function dang2()
{
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);//将对象的高度转化为数
//alert(popH)
if (popH<190)
{
document.getElementById('winpop').style.height=(popH+4)+"px";
//if (jjww < 1300)
//{
//document.getElementById('winpop').style.top= jjww +4;
//jjww = jjww+3;
//}
setTimeout("dang2()",1);//3秒后调用tips_pop()这个函数
}
else
{
jjww = document.documentElement.scrollTop+document.documentElement.clientHeight-popH;
document.getElementById('guanbi').src='/images/fd_gb.gif';
document.getElementById('guanbia').href='javascript:dang()';
setTimeout("move2(jjww)",1);//3秒后调用tips_pop()这个函数
}
}
//var jjww = document.documentElement.clientHeight-50;
function move(jjww)
{
var jjwws = parseInt(document.getElementById('winpop').style.top);
if (jjwws < jjww)
{
document.getElementById('winpop').style.top= (jjwws+4)+"px";
jjwws = jjwws+4;
setTimeout("move(jjww)",1);//3秒后调用tips_pop()这个函
}
}
function move2(jjww)
{
var jjwws = parseInt(document.getElementById('winpop').style.top);
//alert(jjww);
//alert(jjwws);
if (jjwws > jjww)
{
document.getElementById('winpop').style.top= (jjwws-4)+"px";
jjwws = jjwws-4;
setTimeout("move2(jjww)",1);//3秒后调用tips_pop()这个函
}
}
function changeH(str) {
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if(str=="up"){
if (popH<=183){
MsgPop.style.height=(popH+4).toString()+"px";
}
else{ 
clearInterval(show);
}
}
if(str=="down"){ 
if (popH>=4){ 
MsgPop.style.height=(popH-4).toString()+"px";
}
else{ 
clearInterval(hide);   
MsgPop.style.display="none"; //隐藏DIV
}
}
}
window.onload=function(){//加载
document.getElementById('winpop').style.height='0px';
setTimeout("tips_pop()",1000);//3秒后调用tips_pop()这个函数
var tt=document.documentElement.clientHeight-190;
new couplet("winpop",tt,-1); 
//alert(document.documentElement.clientHeight);
}
function couplet(){ 
if(arguments.length>=1) this.objID = document.getElementById(arguments[0]); 
if(arguments.length>=2) this.divTop = arguments[1]; 
if(arguments.length>=3) this.divPlane = arguments[2]; 
if(arguments.length>=4) this.scrollDelay = arguments[4]; 
if(arguments.length>=5) this.waitTime = arguments[5]; 
if(!this.objID){ 
alert("对象名【"+ arguments[0] +"】无效,对联无法初始化,请检查对象名称是否正确!"); 
this.objID = null; return; 
}else{ 
this.objID.style.position="absolute"; 
this.objID.style.display="block"; 
this.objID.style.zIndex=9999; 
if("" == this.objID.style.top){ 
if(isNaN(this.divTop)){ 
alert("对象垂直位置(top)参数必须为数字。"); return; 
}else{ 
this.objID.style.top = this.divTop+"px"; 
if("" == this.objID.style.left && "" == this.objID.style.right){ 
if(isNaN(this.divPlane)){ 
alert("对象水平位置(left||right)参数必须为数字。"); return; 
if(this.divPlane>0) this.objID.style.left = this.divPlane+"px"; 
if(this.divPlane<0) this.objID.style.right = Math.abs(this.divPlane)+"px"; 
if(this.scrollDelay<15 || isNaN(this.scrollDelay)) this.scrollDelay = 15; 
if(this.waitTime<500 || isNaN(this.waitTime)) this.waitTime = 500; 
if(arguments.length>=1) this.start(); 
couplet.prototype.start = function(){ 
if(null == this.objID) return; 
var objCouplet = this; 
timer = this.scrollDelay; 
objCouplet.lastScrollY = 0; 
objCouplet.timerID = null; 
objCouplet.startID = function(){ 
if("block" == objCouplet.objID.style.display){ 
objCouplet.run(); 
}else{ 
clearInterval(objCouplet.timerID); 
objCouplet.Begin = function(){ 
objCouplet.timerID = setInterval(objCouplet.startID,timer); 
}
setTimeout(objCouplet.Begin,this.waitTime); 
couplet.prototype.run = function(){ 
if(document.documentElement && document.documentElement.scrollTop){ 
uu_scrY = parseFloat(document.documentElement.scrollTop); 
}else if(document.body){ 
uu_scrY = parseFloat(document.body.scrollTop); 
uu_divX = parseFloat(this.objID.style.top.replace("px","")); 
uu_curTop = .1 * (uu_scrY - this.lastScrollY); 
uu_curTop = uu_curTop>0?Math.ceil(uu_curTop):Math.floor(uu_curTop); 
this.objID.style.top = parseFloat(uu_divX + uu_curTop) + "px"; 
this.lastScrollY += uu_curTop; 
}
var GetRandomn = 1;  
var name =new Array()
name[1]="张";
name[2]="鞠";
name[3]="赵";
name[4]="胡";
name[5]="严";
name[6]="李";
name[7]="宋";
name[8]="周";
name[7]="吴";
name[9]="魏";
name[10]="姚";
name[11]="江";
name[12]="崔";
name[13]="姬";
name[14]="司徒";
name[15]="冯";
name[16]="陈";
name[17]="朱";
name[18]="孔";
var sex =new Array()
sex[1] ='女士';
sex[2] ='先生';
sex[3] ='女士';
sex[4] ='先生';
sex[5] ='小姐';
var ccoonn = new Array()
ccoonn[1] = '加盟了<a href="/'+pid+'.html"><span class="font02">'+item_title+'</span></a>项目,并得到了专家指导,立即留言走向成功之路。'
ccoonn[2] = '给<a href="/'+pid+'.html"><span class="font02">'+item_title+'</span></a>项目留了言,并获取了相关的资料信息。如果你对该项目感兴趣,那么赶快留言吧~!'
document.writeln("<link href=\"/css/mge_style.css\" type=\"text/css\" rel=\"stylesheet\" />");
document.writeln("<style type=\"text/css\">");
document.writeln("#winpop { width:237px;margin:0; padding:1px;overflow:hidden;");
document.writeln("</style>");
document.writeln("<div id=\"winpop\">");
document.writeln("<div class=\"fd\">");
document.writeln(" <div class=\"fd_l\">");
document.writeln("    <div class=\"fd_lnr\">");
document.writeln("        <h2>");
document.writeln("         <span>致富新信息</span>");
document.writeln("            <a href=\"javascript:dang()\" id=\"guanbia\"><img src=\"/images/fd_gb.gif\" id=\"guanbi\"/></a>");
document.writeln("        </h2>");
document.writeln("        <h3><span class=\"font01\" style=\"color:#0044de\">"+miao+"  秒前</span> <span class=\"font01\"><script>document.write(name["+name2+"]);document.write(sex["+sex2+"]);</script></span> <script>document.write(ccoonn["+ccoonntt2+"]);</script>~!</h3>");
document.writeln("        <h4><a href=\"javascript:div_x('div_cen');sendData(3,location.hostname)\"><img src=\"/images/messge.gif\"></a></h4>");
document.writeln("<h5><marquee direction=\"left\"  scrollamount=\"6\" scrolldelay=\"120\">如果您已经为 <a href=\"/"+pid+".html\">"+item_title+"</a> 留言,我们推荐您为十个以上项目留言,可");
document.writeln("大大增加成功机会</marquee></h5>");
document.writeln("      </div>");
document.writeln("    </div>");
document.writeln("</div>");
document.writeln("</div>");
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