Qq floating code (compatible with various browsers ). For more information, see.
The Code is as follows: <script language = "JavaScript" type = "text/javascript"> lastScrollY = 0; function heartBeat () {var diffY; if (document.doc umentElement & document.doc umentElement. scrollTop) diffY = document.doc umentElement. scrollTop; else if (document. body) diffY = document. body. scrollTopelse {/* Netscape stuff */} // alert (diffY); percent =. 1 * (diffY-lastScrollY); if (percent> 0) percent = Math. ceil (percent); else percent = Math. fl Oor (percent); document. getElementById ("ad_left "). style. top = parseInt (document. getElementById ("ad_left "). style. top) + percent + "px"; document. getElementById ("ad_right "). style. top = parseInt (document. getElementById ("ad_left "). style. top) + percent + "px"; lastScrollY = lastScrollY + percent; // alert (lastScrollY);} function hidead (num) {showad = false; if (num = 1) document. getElementById ("ad_left "). style. display = "none"; Else if (num = 2) document. getElementById ("ad_right "). style. display = "none";} var ClosebuttonHtml1 = '<div style = "position: absolute; bottom: 0px; right: 25px; margin: 2px; padding: 2px; z-index: 2000; "> <a href =" javascript: void (0); "onclick =" hidead (1) "style =" color: # ffffff; text-decoration: none; font-size: 12px; "> close </a> </div> '; var ClosebuttonHtml2 =' <div style =" position: absolute; bottom: 0px; right: 25px; margin: 2px; Padding: 2px; z-index: 2000; "> <a href =" javascript: void (1); "onclick =" hidead (2) "style =" color: # ffffff; text-decoration: none; font-size: 12px; "> close </a> </div> '; ad1 = "<div id =/" ad_left/"style = 'right: 10px; POSITION: absolute; TOP: 160px; '> </div> "ad2 =" <DIV id =/"ad_right/" style = 'right: 10px; POSITION: absolute; TOP: 160px; '> <br> <a href = 'tencent: // message /? Uin = 758541860 & Menu = yes '> </a> </div> "; document. write (ad1); document. write (ad2); window. setInterval ("heartBeat ()", 1); </script>