html alignment for div's inside td

I need to align two fields Amount and Pay by horizontally also vertically(middle).Creidt and Debit should go down.How can i achieve this.Pls help

<table style="height: 82px;border:solid 1px blue;">
<tr><td开发者_Python百科 class="style2">Amount:<div>Credit</div>
<div>Debit</div>
</td><td class="style1">800 Rs
<div>1000</div>
<div>200</div>
</td><td class="style3" style="font-weight:bold;">Pay by: </td><td>12/06/2010</td></tr>
</table>

---

Horizontal align: http://www.w3schools.com/css/css_align.asp

Vertical align: http://www.w3schools.com/Css/pr_pos_vertical-align.asp