i need help on this
<html>
<head>
<script language="JavaScript">
</script>
<title>Compute quantity</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<form name="test">
<table width="53%" border="0">
<tr>
<td height="21" colspan="2"> </td>
<td width="28%"><div align="center"><strong><font size="1" face="Verdana, Arial,
Helvetica, sans-serif">Qty
1</font></strong></div></td>
<td width="28%"><div align="center"><strong><font size="1" face="Verdana, Arial,
Helvetica, sans-serif">Qty
2</font></strong></div></td>
<td width="28%"><div align="center"><strong><font size="1" face="Verdana, Arial,
Helvetica, sans-serif">Final
Qty for (Qty1 & Qty2)</font></strong></div></td>
</tr>
<tr>
<td width="10%" height="30"><font size="1" face="Geneva, Arial, Helvetica,
sans-serif">ITEM
ONE</font></td>
<td width="6%"> <input type="checkbox" name="checkbox[]" value="check">
</td>
<td width="28%"> <input type="text" name="entry1[]"> </td>
<td width="28%"><input type="text" name="entry2[]" ></td>
<td width="28%"><input type="text" name="entry3[]" ></td>
</tr>
<tr>
<td height="24"><font size="1" face="Geneva, Arial, Helvetica, sans-serif">ITEM
TWO</font></td>
<td><input type="checkbox" name="checkbox[]" value="check"></td>
<td><input type="text" name="entry1[]"></td>
<td><input type="text" name="entry2[]"></td>
<td><input type="text" name="entry3[]" ></td>
</tr>
<tr>
<td colspan="5"> <div align="center">
<input type="button" name="Submit" value="Calculate">
</div></td>
</tr>
</table>
</form>
</body>
</html>