var delta=0.8; var collection; var closeB=false; function floaters() { this.items = []; this.addItem = function(id,x,y,content) { document.write('
'+content+'
'); 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()',30); } } function play() { //当屏幕小于800,那么就不显示广告条了 if(screen.width<=800 || closeB) { for(var i=0;i0?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 = ''; //加上这一句,广告条就关不掉了 } } function closeBanner() { closeB=true; return; } var theFloaters = new floaters(); // theFloaters.addItem('followDiv2','document.body.clientWidth-100',20,"
[关闭广告]
"); theFloaters.addItem('followDiv1',8,20,"
[关闭广告]
"); theFloaters.play(); //end