列表记录的增加、删除以及向上向下移动的效果 dn001 2009-06-21 08:24:46 <!-- http://www.knowsky.com --> <!-- bbs http://bbs.knowsky.com --> <!--把如下代码加入到<head>区域中--> <script language="JavaScript1.2"> var currentpos=0,alt=1,curpos1=0,curpos2=-1 function initialize(){ startit() } function scrollwindow(){ if (document.all) temp=document.body.scrollTop else temp=window.pageYOffset if (alt==0) alt=1 else alt=0 if (alt==0) curpos1=temp else curpos2=temp if (curpos1!=curpos2){ if (document.all) currentpos=document.body.scrollTop+1 else currentpos=window.pageYOffset+1 window.scroll(0,currentpos) } else{ currentpos=0 window.scroll(0,currentpos) } } function startit(){ setInterval("scrollwindow()",10) } window.onload=initialize </script> <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>