<html>
<head>
<SCRIPT LANGUAGE="JavaScript">
function window_onload()
{
document.form1.T1.focus();
}
</SCRIPT>
<script language="javascript" for="document" event="onkeydown">
<!--
if(event.keyCode==13 && event.srcElement.type!='button' && event.srcElement.type!='submit' && event.srcElement.type!='reset' && event.srcElement.type!='textarea' && event.srcElement.type!='')
event.keyCode=9;
-->
</script>
</head>
<body onload="window_onload() ">
<form action="" method="get" name="form1">
<input name="T1" type="text">
<input name="T2" type="text">
<input name="T3" type="submit" value="提 交">
</form>
</body></html>