Question

麻烦哪位大神看看下边两段JS有没有冲突的地方，做的是一个图片轮播和一个弹窗，放一块儿图片轮播不管用了

<script language="javascript" type="text/javascript">
var s=function(){
var interv=2000;
var interv2=10;
var opac1=80;
var source="fade_focus" ;
function getTag(tag,obj){if(obj==null){return document.getElementsByTagName(tag)}else{return obj.getElementsByTagName(tag)}}
function getid(id){return document.getElementById(id)};
var opac=0,j=0,t=63,num,scton=0,timer,timer2,timer3;var id=getid(source);id.removeChild(getTag("div",id)[0]);var li=getTag("li",id);var div=document.createElement("div");var title=document.createElement("div");var span=document.createElement("span");var button=document.createElement("div");button.className="button";for(var i=0;i<li.length;i++){var a=document.createElement("a");a.innerHTML=i+1;a.onclick=function(){clearTimeout(timer);clearTimeout(timer2);clearTimeout(timer3);j=parseInt(this.innerHTML)-1;scton=0;t=63;opac=0;fadeon();};a.className="b1";a.onmouseover=function(){this.className="b2"};a.onmouseout=function(){this.className="b1";sc(j)};button.appendChild(a);}
function alpha(obj,n){if(document.all){obj.style.filter="alpha(opacity="+n+")";}else{obj.style.opacity=(n/100);}}
function sc(n){for(var i=0;i<li.length;i++){button.childNodes[i].className="b1"};button.childNodes[n].className="b2";}
title.className="num_list";title.appendChild(span);alpha(title,opac1);id.className="d1";div.className="d2";id.appendChild(div);id.appendChild(title);id.appendChild(button);
var fadeon=function(){opac+=5;div.innerHTML=li[j].innerHTML;span.innerHTML=getTag("img",li[j])[0].alt;alpha(div,opac);if(scton==0){sc(j);num=-2;scrolltxt();scton=1};if(opac<100){timer=setTimeout(fadeon,interv2)}else{timer2=setTimeout(fadeout,interv);};}
var fadeout=function(){opac-=5;div.innerHTML=li[j].innerHTML;alpha(div,opac);if(scton==0){num=2;scrolltxt();scton=1};if(opac>0){timer=setTimeout(fadeout,interv2)}else{if(j<li.length-1){j++}else{j=0};fadeon()};}
var scrolltxt=function(){t+=num;span.style.marginTop=t+"px";if(num<0 && t>3){timer3=setTimeout(scrolltxt,interv2)}else if(num>0 && t<62){timer3=setTimeout(scrolltxt,interv2)}else{scton=0}};
fadeon();}
window.onload=s;
</script>
<script type="text/javascript">
function tips_pop(){
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if (popH==0){
MsgPop.style.display="block";
show=setInterval("changeH('up')",2);
}
else {
hide=setInterval("changeH('down')",2);
}
}
function changeH(str) {
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if(str=="up"){
if (popH<=200){
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"; }
}
}
window.onload=function(){
document.getElementById('winpop').style.height='0px';
setTimeout("tips_pop()",800);
tips_pop()}
</script>

Answer 1

window.onload写了两遍，第一个就被覆盖掉了。试试在第二window.onload的开头加一行代码：
s();

然后把第一个window.onload去掉就行了。