게시판에서 dhtml로 테이블작성했는데 공간을 많이 나두고 바닥에깔리는데 원인이 무엇일까요? 채택완료

엔터가 들어가던지.. 암튼 
이 여러번 들어가 잇네요.

<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><table valign="top" cellpadding="0" cellspacing="0" border="1" width="100%">  
<tbody>
<tr>    
<td width="16%"><center><strong> 거래처strong>center>td>    
<td width="20%"><center><strong>품명strong>center>td>    
<td width="16%"><center><strong>절수strong>center>td>    
<td width="16%"><center><strong>톰슨수량strong>center>td>    
<td width="8%"><center><strong>벤딩strong>center>td>    
<td width="8%"><center><strong>접착구분strong>center>td>    
<td width="16%"><center><strong>비고strong>center>td>  tr> 
<tr>    
<td width="16%"><center><strong> 거래처strong>center>td>    
<td width="20%"><center><strong>품명strong>center>td>    
<td width="16%"><center><strong>절수strong>center>td>    
<td width="16%"><center><strong>톰슨수량strong>center>td>    
<td width="8%"><center><strong>벤딩strong>center>td>    
<td width="8%"><center><strong>접착구분strong>center>td>    
<td width="16%"><center><strong>비고strong>center>td>  tr>       tbody>table>