und zwischen Form Tags:
<table border=1 bordercolor=#000000 cellspacing=0 align=center width=200>
<tr>
<td valign=top><input type=Checkbox name=boxen1 value=check onClick="BoxenChecker(this.name);"></td>
<td>
<input type=Checkbox name=boxen1 value=box1><br>
<input type=Checkbox name=boxen1 value=box1><br>
<input type=Checkbox name=boxen1 value=box1><br>
<input type=Checkbox name=boxen1 value=box1><br>
</td>
</tr>
<tr>
<td valign=top><input type=Checkbox name=boxen2 value=check onClick="BoxenChecker(this.name);"></td>
<td>
<input type=Checkbox name=boxen2 value=box2><br>
<input type=Checkbox name=boxen2 value=box2><br>
<input type=Checkbox name=boxen2 value=box2><br>
<input type=Checkbox name=boxen2 value=box2><br>
</td>
</tr>
</table>