1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 5 <title>javascript广告代码_两侧浮动</title> 6 <style type="text/css"> 7 body { height:10000px;} 8 </style> 9 </head> 10 11 <body> 12 <script> 13 var ad_LR = { //javascript广告代码_两侧浮动 14 speed : 200, //速度 15 ad_left_gg : "<div id=\"ad_left_gg\" style='position:absolute; z-index:10; top:5px; left:5px; 100px; height:400px;border:1px solid #ccc;'><a href='#' onclick=\"document.getElementById('ad_left_gg').style.display='none'; return false;\">关闭</a></div>", //左侧 16 ad_right_gg : "<div id=\"ad_right_gg\" style='position:absolute; z-index:10; top:5px; right:5px; 100px; height:400px;border:1px solid #ccc;'><a href='#' onclick=\"document.getElementById('ad_right_gg').style.display = 'none'; return false;\">关闭</a></div>", //右侧 17 getScroll : function getScroll(){ //根据滚动条滚动 18 var posY 19 if (document.documentElement && document.documentElement.scrollTop) { 20 posY = document.documentElement.scrollTop; 21 } else if (document.body) { 22 posY = document.body.scrollTop; 23 } 24 25 var top=window.screen.height>900 ? 5 : 5 ; //距离top的距离 26 document.getElementById('ad_left_gg').style.top=(posY+top)+'px'; 27 document.getElementById('ad_right_gg').style.top=(posY+top)+'px'; 28 } 29 } 30 31 document.write (ad_LR.ad_left_gg, ad_LR.ad_right_gg); 32 setInterval(ad_LR.getScroll, ad_LR.speed); 33 34 </script> 35 </body> 36 </html>