First, you should get phpForm (
http://www.tizag.com/phpT/forms.php) or else your text form will not work.
Here's an example of a form code that I used for potential clients to contact me via my website.
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<form enctype='multipart/form-data' action='process.php' method='post'>
<table width='100%' border=1>
<table width='100%' border=1>
<tr><td bgcolor="#000000"> <b>Name:</b></td>
<td bgcolor="#000000">
<input type=text name='Name' size="33"></td></tr>
<tr><td bgcolor="#000000"> <b>Email Address:</b></td>
<td bgcolor="#000000">
<input type=text name='EmailAddress' size="33"></td></tr>
<tr><td bgcolor="#000000"> <b>Phone Number:</b></td>
<td bgcolor="#000000">
<input type=text name='PhoneNumber' size="33"></td></tr>
<tr><td bgcolor="#000000"> <b>Contact Preference:</b></td>
<td bgcolor="#000000">
<select name='ContactPreference'><option value='By Email'>By Email<option value='By Telephone'>By Telephone<option value='In Person '>In Person <option value='Other'>Other</select></td></tr>
<tr><td bgcolor="#000000"> <b>Development Project:</b></td>
<td bgcolor="#000000">
<select name='DevelopmentProject'><option value='Website Design'>Website Design<option value='Ecommerce Website'>Ecommerce Website<option value='Website Maintenance'>Website Maintenance<option value='Website Re-Design'>Website Re-Design<option value='Website Evaluation'>Website Evaluation<option value='Blog Development'>Blog Development<option value='Ebay Store Creation'>Ebay Store Creation<option value='Search Engine Optimization'>Search Engine Optimization<option value='Search Engine Submission'>Search Engine Submission<option value='MySpace Promotion'>MySpace Promotion</select></td></tr>
<tr><td bgcolor="#000000"> <b>Project Budget:</b></td>
<td bgcolor="#000000">
<select name='ProjectBudget'><option value='$0 - $250'>$0 - $250<option value='$250 - $500'>$250 - $500<option value='$500 - $750'>$500 - $750<option value='$750 - $1000'>$750 - $1000<option value='$1000 - $1500'>$1000 - $1500<option value='$1500 - $2000'>$1500 - $2000<option value='$2000 - $3000'>$2000 - $3000<option value='$3000 - $4000'>$3000 - $4000<option value='$4000 - $5000'>$4000 - $5000<option value='$5000 - $6000'>$5000 - $6000<option value='$6000 - $7000'>$6000 - $7000<option value='$7000 +'>$7000 +</select></td></tr>
<tr><td bgcolor="#000000"> <b><br>
Project Description:<br>
<span class="copyright">- Describe your project needs.<br>
-
Desired time frame?<br>
-
List any websites you want to resemble (if any)<br>
</span></b></td>
<td bgcolor="#000000">
<textarea name='ProjectDescription' rows=6 cols=20></textarea></td></tr>
</table>
<p align="center">
<input type='submit' value='Submit Form'><br></form>