https://hzic.edu.cn/js/admove2.js

1function addEvent(obj,evtType,func,cap){
2    cap=cap||false;
3 if(obj.addEventListener){
4     obj.addEventListener(evtType,func,cap);
5  return true;
6 }else if(obj.attachEvent){
7        if(cap){
8         obj.setCapture();
9         return true;
10     }else{
11      return obj.attachEvent("on" + evtType,func);
12  }
13 }else{
14  return false;
15    }
16}
17function getPageScroll(){
18    var xScroll,yScroll;
19 if (self.pageXOffset) {
20  xScroll = self.pageXOffset;
21 } else if (document.documentElement && document.documentElement.scrollLeft){
22  xScroll = document.documentElement.scrollLeft;
23 } else if (document.body) {
24  xScroll = document.body.scrollLeft;
25 }
26 if (self.pageYOffset) {
27  yScroll = self.pageYOffset;
28 } else if (document.documentElement && document.documentElement.scrollTop){
29  yScroll = document.documentElement.scrollTop;
30 } else if (document.body) {
31  yScroll = document.body.scrollTop;
32 }
33 arrayPageScroll = new Array(xScroll,yScroll);
34 return arrayPageScroll;
35}
36function GetPageSize(){
37    var xScroll, yScroll;
38    if (window.innerHeight && window.scrollMaxY) { 
39        xScroll = document.body.scrollWidth;
40        yScroll = window.innerHeight + window.scrollMaxY;
41    } else if (document.body.scrollHeight > document.body.offsetHeight){
42        xScroll = document.body.scrollWidth;
43        yScroll = document.body.scrollHeight;
44    } else {
45        xScroll = document.body.offsetWidth;
46        yScroll = document.body.offsetHeight;
47    }
48    var windowWidth, windowHeight;
49    if (self.innerHeight) {
50        windowWidth = self.innerWidth;
51        windowHeight = self.innerHeight;
52    } else if (document.documentElement && document.documentElement.clientHeight) {
53        windowWidth = document.documentElement.clientWidth;
54        windowHeight = document.documentElement.clientHeight;
55    } else if (document.body) {
56        windowWidth = document.body.clientWidth;
57        windowHeight = document.body.clientHeight;
58    } 
59    if(yScroll < windowHeight){
60        pageHeight = windowHeight;
61    } else { 
62        pageHeight = yScroll;
63    }
64    if(xScroll < windowWidth){ 
65        pageWidth = windowWidth;
66    } else {
67        pageWidth = xScroll;
68    }
69    arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
70    return arrayPageSize;
71}