Below is a option and a text box , well basicly what i wanted to do is whenever the user chooses a option , the value would be shown on the text box

Wanted output :

option = Women suit
text box = 4

Hope you guys could help me out.
Thanx in advance

/*
<td width="128"><select size="1" name="cboItem1">
<option selected>None</option>
<option value="4">Women Suit</option>
</select></td>

<td width="71"><input type="text" name="txtItem1UnitPrice" size="7" value="0.00"></td>
*/