PHP + MySQL + Javascript OnMouseOver

$sql = "SELECT * FROM `TFG_Kurse` ORDER BY `wochentag` and `von`ASC"; 
$result = mysql_query($sql) or die(mysql_error()); 


while ($daten = mysql_fetch_assoc($result)) 

{ 


?>
											<table class="kurstable" border="0" cellspacing="2" cellpadding="0">
												<tr height="15">
													<td width="25" height="15"><?=$daten['wochentag']?></td>
													<td height="20"><?=$daten['von']?></td>
													<td width="8" height="15" align="center">-</td>
													<td width="70" height="15"><?=$daten['bis']?> Uhr</td>
													<td width="200" height="15"><?=$daten['kurs']?></td>
													<td width="100" height="15"><?=$daten['trainer']?></td>
													<td width="120" height="15"><?=$daten['ort']?></td>
													<td width="30" height="15"><?php $infotext = "";
																				if(strlen ($daten['text']) < 2) { 
																						$infotext = ""; } 
																							else { 
																						?>
																						<span onMouseOver="return overlib('<?php $daten['text'] ;?>');" onmouseout="return nd();">Beschreibung</span>
																						<?php } ?>
																						</td>
												</tr>
											</table><?php $infotext2 = "";
																				if(strlen ($daten['info']) < 2) { 
																						$infotext2 = ""; } 
																							else { 
																						$infotext2=$daten['info'];} 
																						echo "$infotext2" ;?>
											<?php } ?>


											


											</tr>
								</table>
							</td>



			</tr>