gusucode.com > 爱美尔女性商城源码 1.0源码程序 > hurqshousuo/ad.js
var minHeight = 80; function addCount(){ minHeight += 10; if(minHeight >= 300) //高度 { return; } document.getElementById("index_ad").style.height = minHeight + "px"; setTimeout("addCount()",70); } var maxHeight = 300; function reduceCount(){ maxHeight -= 10; if(maxHeight <= 80) //高度 { return; } document.getElementById("index_ad").style.height = maxHeight + "px"; setTimeout("reduceCount()",70); } function ads(){ document.getElementById('index_ad').style.height = "80px"; document.getElementById('index_ad_b').src = "/hurqshousuo/index_ad_b.jpg"; addCount(); setTimeout("reduceCount()",10000); //10秒钟后执行 } var intervalId = null; function slideAd(id,nStayTime,sState,nMaxHth,nMinHth){ this.stayTime=nStayTime*1000 || 3000; this.maxHeigth=nMaxHth || 300; this.minHeigth=nMinHth || 1; this.state=sState || "down" ; var obj = document.getElementById(id); if(intervalId != null)window.clearInterval(intervalId); function openBox(){ var h = obj.offsetHeight; obj.style.height = ((this.state == "down") ? (h + 2) : (h - 2))+"px"; if(obj.offsetHeight>this.maxHeigth){ window.clearInterval(intervalId); intervalId=window.setInterval(closeBox,this.stayTime); } if (obj.offsetHeight<this.minHeigth){ window.clearInterval(intervalId); obj.style.display="none"; } } function closeBox(){ slideAd(id,this.stayTime,"up",nMaxHth,nMinHth); } intervalId = window.setInterval(openBox,10); }