<body onLoad="xunhuan();">
<SCRIPT LANGUAGE="JavaScript">
<!--
var meninfo=" >>>欢迎你能够来学习>>>";
meninfo+=" >>>JavaScript是一门脚本语言>>>";
var anch=50;
function xunhuan(){
document.forms[0].panel.value=meninfo.substring(meninfo.length-anch,meninfo.length);
meninfo=meninfo.substring(meninfo.length-1,meninfo.length)+meninfo;
meninfo=meninfo.substring(0,meninfo.length-1);
setTimeout("xunhuan()",200);
}
// -->
</SCRIPT>
<form>
<INPUT TYPE="text" NAME="panel" VALUE="" SIZE="50">
</form>
</body>