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var delta=0.08var collection;var Xinterval;function floaters() { this.items = []; this.addItem = function(id,x,y,content)     {    x=(typeof(x)=='string'?eval(x):x);    y=(typeof(y)=='string'?eval(y):y);    x=x+0;    y=y+0;    document.write('<DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute;  width:110px; height:60px;left:'+x+'px;top:'+y+'px">'+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    Xinterval=setInterval('play()',50);     } } 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;    //var dy=(document.documentElement.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 = '';  } } function closeim() { for(var i=0;i<collection.length;i++) { collection[i].object.style.display='none'; } clearInterval(Xinterval);}var theFloaters  = new floaters();//tempstr1='<a target=blank href=tencent://message/?uin=495829596&Site=www.gz-star.com&Menu=yes><img src="http://welsonchem.com/newEbiz1/200welsonchemres/filerepository/images/c373e917620aaf4c8f7a1b6f9dff9f2c" border="0"/></a>';theFloaters.addItem('followDiv1',document.body.clientWidth/2-500,135,tempstr1);//theFloaters.play();</script> //ͼƬʽ÷//<a href=http://www.makewing.com/lanren/ target=_blank><img src=images/ad_100x300.jpg border=0></a> http://welsonchem.com/newEbiz1/200welsonchemres/filerepository/images/c373e917620aaf4c8f7a1b6f9dff9f2c