html表格單元格文字搞亂了一切

Question

對於此代碼，當我在第三個表格行中添加文本時，它將廢棄所有相鄰單元格的佈局。請幫忙。

謝謝

<table width="720" bgcolor="white" height="650" align="center" cellpadding="10" border="1"> 
    <tr valign="top"> 
     <td colspan="8" height="70" align="center"><img src="yooo.gif" align="middle" /> </td> </tr> 
    <tr height="40"> 
     <td colspan="2" align="center" width="175">Home</td> 
     <td colspan="2" align="center" width="175">Food</td> 
     <td colspan="2" align="center" width="175">Hobbies</td> 
     <td colspan="2" align="center" width="175">Martin's Blog</td> </tr> 
    <tr height="260"> 
     <td class="info" colspan="4" valign="top"><h2>Welcome to Nenad's Blog!!!</h2><h6>Here on this blog we will be talking about 
     a bunch of random stuff that are so completely unrelated that will blow your mind.<h6></td> 
     <td class="info" colspan="4"> h </td> </tr> 
    <tr height="260"> 
     <td class="info" colspan="4"> h </td> 
     <td class="info" colspan="4"> h </td> </tr>