对联浮动广告效果

现在很多网站广告做的如火如荼，现在我就来介绍一下常见的对联浮动广告效果的代码使用方法，介绍的这种效果，在1024*768分辨率下正常显示，在800*600的分辨率下可以自动隐藏，以免遮住页面影响访问者浏览内容，下面就是实现效果所需代码：

<html><head></head><body>大家好啊  <script>//固漂广告     var delta=0.15     var collection;     function floaters() {         this.items    = [];         this.addItem    = function(id,x,y,content)                   {                     document.write('<DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute;  width:80px; height:60px;left:'+(typeof(x)=='string'?eval(x):x)+';top:'+(typeof(y)=='string'?eval(y):y)+'">'+content+'</DIV>');                                          var newItem                = {};                     newItem.object            = document.getElementById(id);                     newItem.x                = x;                     newItem.y                = y;                     this.items[this.items.length]        = newItem;                   }         this.play    = function()                   {                     collection                = this.items                     setInterval('play()',10);                   }         }         function play()         {             for(var i=0;i<collection.length;i++)             {                 var followObj        = collection[i].object;                 var followObj_x        = (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x);                 var followObj_y        = (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y);                 if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) {                     var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta;                     dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx));                     followObj.style.left=followObj.offsetLeft+dx;                     }                 if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) {                     var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta;                     dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy));                     followObj.style.top=followObj.offsetTop+dy;                     }                 followObj.style.display    = '';             }         }                  var theFloaters        = new floaters();     theFloaters.addItem('followDiv1','document.body.clientWidth-105',20,'<a href="http://www.iyuanma.com/sucai/" target="_blank" title="素材频道"><IMG src="http://www.iyuanma.com/asd/images/asd_top_100.gif" width=100 height=400 border="0"></a>');     theFloaters.addItem('followDiv2',10,20,'<a href="http://www.iyuanma.com/sucai/" target="_blank" title="素材频道"><IMG src="http://www.iyuanma.com/asd/images/asd_top_100-2.gif" width=100 height=400 border="0"></a>');     theFloaters.play(); //固漂广告end</script> </body></html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

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对联浮动广告效果

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