function addevent(obj,evttype,func,cap){
    cap=cap||false;
if(obj.addeventlistener){
     obj.addeventlistener(evttype,func,cap);
   return true;
}else if(obj.attachevent){
        if(cap){
         obj.setcapture();
         return true;
     }else{
      return obj.attachevent("on" + evttype,func);
   }
}else{
   return false;
    }
}
function getpagescroll(){
    var xscroll,yscroll;
if (self.pagexoffset) {
   xscroll = self.pagexoffset;
} else if (document.documentelement && document.documentelement.scrollleft){
   xscroll = document.documentelement.scrollleft;
} else if (document.body) {
   xscroll = document.body.scrollleft;
}
if (self.pageyoffset) {
   yscroll = self.pageyoffset;
} else if (document.documentelement && document.documentelement.scrolltop){
   yscroll = document.documentelement.scrolltop;
} else if (document.body) {
   yscroll = document.body.scrolltop;
}
arraypagescroll = new array(xscroll,yscroll);
return arraypagescroll;
}
function getpagesize(){
    var xscroll, yscroll;
    if (window.innerheight && window.scrollmaxy) { 
        xscroll = document.body.scrollwidth;
        yscroll = window.innerheight + window.scrollmaxy;
    } else if (document.body.scrollheight > document.body.offsetheight){
        xscroll = document.body.scrollwidth;
        yscroll = document.body.scrollheight;
    } else {
        xscroll = document.body.offsetwidth;
        yscroll = document.body.offsetheight;
    }
    var windowwidth, windowheight;
    if (self.innerheight) {
        windowwidth = self.innerwidth;
        windowheight = self.innerheight;
    } else if (document.documentelement && document.documentelement.clientheight) {
        windowwidth = document.documentelement.clientwidth;
        windowheight = document.documentelement.clientheight;
    } else if (document.body) {
        windowwidth = document.body.clientwidth;
        windowheight = document.body.clientheight;
    } 
    if(yscroll < windowheight){
        pageheight = windowheight;
    } else { 
        pageheight = yscroll;
    }
    if(xscroll < windowwidth){ 
        pagewidth = windowwidth;
    } else {
        pagewidth = xscroll;
    }
    arraypagesize = new array(pagewidth,pageheight,windowwidth,windowheight) 
    return arraypagesize;
}
//广告脚本文件 admove.js
/*
例子
<div id="div2">
    ***** content ******
</div>
var ad=new admove("div2");
ad.run();
*/