<FORM METHOD=POST ACTION="">
<INPUT TYPE="text" NAME="spid2" value="aaa">
</FORM>
</BODY>
</HTML>
<SCRIPT LANGUAGE="JavaScript">
<!--
var spid="spid" + "2";var txt1 = document.getElementsByName(spid)[0].value;
alert(txt1);
//-->
</SCRIPT>
<INPUT TYPE="text" NAME="spid2" value="aaa">
</FORM>
</BODY>
</HTML>
<SCRIPT LANGUAGE="JavaScript">
<!--
var spid="spid" + "2";var txt1 = document.getElementsByName(spid)[0].value;
alert(txt1);
//-->
</SCRIPT>
{txt1[txt1.length-1].removeNode(true);
}