$def with (title, material, detector, params, paramsvals)

<h2>${title}</h2>

<form id="form" method="post" action="getusrparams">
<table>
<tr><td>material</td><td>
<select name="material">
$for i in range(0,len(material)):
    <option value="${material[i]}">${material[i]}</option>
</select>
<tr><td>detector</td><td>
<select name="detector">
$for i in range(0,len(detector)):
    <option value="${detector[i]}">${detector[i]}</option>
</select>
</td></tr>
$for i in range(0,len(params)):
    <tr><td>${params[i]}</td>
    <td><input type="text" name="${params[i]}" value="${paramsvals[i]}" size="20" /></td></tr>
</table>
<input type="submit">
</form>