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js让图片从下慢慢消失再换张图片慢慢

发布时间: 2012-08-25 10:06:20 作者: rapoo

js让图片从上慢慢消失,再换张图片慢慢显示

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>js让图片从上慢慢消失,再换张图片慢慢显示</title><script language="javascript" type="text/javascript">window.onload = function(){    var fudongAD = document.getElementById("headads");setTimeout("noneheadads()", 1000); //停留时间自己适当调整}var height2 = 339; //高度function noneheadads() {    height2 = height2 - 10;    if (height2 <= 0) {        document.getElementById("headads").style.display = "none";setTimeout("showheadads()", 1000);        return;    }    document.getElementById("headads").style.height = height2 + "px";    setTimeout("noneheadads()", 40);}var height3 = 0; //高度function showheadads(){ height3 = height3 + 10;  if (height3 >= 300) {        document.getElementById("headads2").style.height = height3 + "px";        return;    }document.getElementById("headads2").style.height = height3 + "px";document.getElementById("headads2").style.display = "";    setTimeout("showheadads()", 40);}</script></head><body><div id="headads" style="margin: 0 auto; overflow:hidden;"><img src="http://www.sosuo8.com/article/upimages3/112_jpg_thumb.jpg" /></div><div id="headads2" style="display:none;margin: 0 auto; overflow:hidden;"><img src="cwyg201120101.jpg" /></div></body></html>

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