create calendar javascript for input date at php

please download javascript calender and supporting files at the link:



on the form input please write as below:
<div align="center">
<b><font face="Tahoma" size="2" color="#000000">Surat Setoran Pabean, Cukai, dan Pajak Dalam Rangka Impor</font></b>
<table border="0" cellspacing="1" width="647" id="table1" style="color: #000000; font-family: Tahoma; font-size: 10pt">
<form method="POST" action="send_sspcp.php">
<SCRIPT LANGUAGE="JavaScript" SRC="/sspcp/CalendarPopup.js"></SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
var cal = new CalendarPopup();
</SCRIPT>
<br>
<br>

<tr>
<td align="center" bgcolor="#B2B2B2" colspan="2"><b>
<font face="Tahoma" size="2" color="#000080">Form Input Data</font></b></td>
</tr>

and below for input box :

<tr>
<td bgcolor="#B2B2B2" width="100">Tanggal</td>
<td bgcolor="#F2F2F2">
<SCRIPT LANGUAGE="JavaScript" ID="js1">
var cal1 = new CalendarPopup();
</SCRIPT>
<!-- The next line prints out the source in this example page. It should not be included when you actually use the calendar popup code -->
<SCRIPT LANGUAGE="JavaScript">writeSource("js1");</SCRIPT>
<INPUT TYPE="text" NAME="date1" VALUE="" SIZE=15>
<A HREF="#" onClick="cal1.select(document.forms[0].date1,'anchor1','yyyy-MM-dd'); return false;" TITLE="cal1.select(document.forms[0].date1,'anchor1','MM/dd/yyyy'); return false;" NAME="anchor1" ID="anchor1">select</A>
format: yyyy-mm-dd</td>
</tr>