当前文件： doughtyBBS102/js/duilian.js[2K，2009-6-12 11:41:20]，打开代码结构图

		            
 1 var delta=0.115;
 2 var collection;
 3 var closeB=false;
 4 function floaters() ...{
 5  this.items = [];
 6  this.addItem = function(id,x,y,content)
 7      ...{
 8    document.write('<DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute;  width:80px; height:60px;left:'+x+';top:'+y+'">'+content+'</DIV>');
 9     var newItem    = ...{};
10     newItem.object   = document.getElementById(id);
11     newItem.x    = x;
12     newItem.y    = y;
13
14     this.items[this.items.length]  = newItem;
15      }
16  this.play = function()
17      ...{
18     collection    = this.items
19     setInterval('play()',30);
20      }
21  }
22  function play()
23  ...{
24   if(screen.width<=800 || closeB)
25   ...{
26    for(var i=0;i<collection.length;i++)
27    ...{
28     collection[i].object.style.display = 'none';
29    }
30    return;
31   }
32   for(var i=0;i<collection.length;i++)
33   ...{
34    var followObj  = collection[i].object;
35    var followObj_x  = (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x);
36    var followObj_y  = (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y);
37
38    if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) ...{
39    var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta;
40     dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx));
41     followObj.style.left=followObj.offsetLeft+dx;
42     }
43
44    if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) ...{
45     var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta;
46     dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy));
47     followObj.style.top=followObj.offsetTop+dy;
48     }
49    followObj.style.display = '';
50   }
51  } 
52  function closeBanner()
53  ...{
54   closeB=true;
55   return;
56  }
57
58 var theFloaters  = new floaters();
59 theFloaters.addItem('followDiv1','document.body.clientWidth-100',0,'<a onClick="closeBanner();" href=http://www.binhaistar.com target=_blank><img src=bill/okleft.gif width=100 height=400 border=0></a><br><img src=bill/close.gif onClick="closeBanner();">');
60 theFloaters.addItem('followDiv2',0,0,'<a onClick="closeBanner();" href=http://www.binhaistar.com target=_blank><img src=bill/okright.gif width=100 height=400 border=0 ></a><br><img src=bill/close.gif onClick="closeBanner();">');
61 theFloaters.play();