Something

<?php

	//Get database connection and setup
	require('includes/application_top.php');
	include 'includes/xajax_core/xajax.inc.php';

	$xajax = new xajax();
	$xajax->configure('debug', true);


	$rqstGetAdmins =& $xajax->register(XAJAX_FUNCTION, "doGetAdmins");

	$xajax->processRequest();

	function doGetAdmins()
		{
			$response = new xajaxResponse();

			//Get all ebay accounts
			$sqlstring_acct = "select * from alp_administrators";
			$selectacct = tep_db_query($sqlstring_acct);
			
			//Fill Accounts Dropdown
			while ($myacct_values = tep_db_fetch_array($selectacct)) {

						$acctoptions .= '<option name="' . $myacct_values['username'] . '">' . $myacct_values['username'] . '</option>';

			} 
			$objResponse->assign("username","innerHTML",$acctoptions);
			return $response;
		}
	$xajax->processRequest();
	
?>
<html>
<body>
<table>
	<tr>

			<td>

			<form name="form2" method="post" action="getInventory.php">	 

			Admin Account: </td>

			<td>

			<select name="xajax_doGetAdmins" id="username">

				<?php echo $acctoptions; ?>

			</select>			

			</td>

		</tr>
</table>
</body>
</html>