www.gusucode.com > 3019网博士成品网站管理系统 PHP网站源码程序 > 3019/3019/advs/js/duilian.js
var delta=0.8; var collection; var closeB=false; function floaters() { this.items = []; this.addItem = function(id,x,y,w,h,content) { h=parseInt(h)+19; document.write('<DIV id='+id+' style="POSITION:absolute;width:'+w+'px; height:'+h+'px;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()',30); } } function play() { if(screen.width<=800 || closeB) { for(var i=0;i<collection.length;i++) { collection[i].object.style.display = 'none'; } return; } 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 = ''; } } function closeBanner() { closeB=true; return; } var theFloaters = new floaters();