Notice: Use of undefined constant myusername - assumed 'myusername' in /media/r1/www/hansihe.com/html/print/index.php on line 3

<table width="300" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<form name="form1" method="post" action="checklogin.php">
<td>
<table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
<tr>
<td colspan="3"><strong>Tast inn brukernavn og passord </strong></td>
</tr>
<tr>
<td width="78">Brukernavn</td>
<td width="6">:</td>
<td width="294"><input name="myusername" type="text" id="myusername"></td>
</tr>
<tr>
<td>Passord</td>
<td>:</td>
<td><input name="mypassword" type="text" id="mypassword"></td>
</tr>
<tr>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td><input type="submit" name="Submit" value="Logg inn"></td>
</tr>
</table>
</td>
</form>
</tr>
</table>