jquery and php problem

jquery and php problem

hello everybody, 

sorry but i'm spanish and i don't speak english a lot,

i have a little knowledge in web development´ i'm working in a web application with jquery but i have a problem 
in a part of my application the admin of the web can delete a member wich is registered in the application, for each member of the list has a buton that if te admin clicks delete a member(using $.ajax) wich is save in a DB the code is the next:
<?php
for($n = 0; $n < $nMiembros; $n++){
 
?> 
<div id="member">
<table class="texto">
<tbody>
<tr>
<td valign="top">
<table width="100%" style="margin-left:50px;">
<tbody >
<tr>
<td colspan="2">            
</td>
</tr>
<tr>
<td> Nombre: </td>
<td> <?php echo($arrayDatos[$n]->getNombre()); ?> </td>
</tr>
<tr>
<td> Apellidos: </td>
<td><?php echo($arrayDatos[$n]->getApellidos()); ?>  </td>
</tr>
<tr>
<td> Nombre de usuario: </td>
<td> <?php echo($arrayDatos[$n]->getNick()); ?>  </td>
</tr>
<tr>
<td> <input type="button" onClick="<?php echo($arrayDatos[$n]->getNick());?>" id="btBajaMiembro" value="eliminar"/> </td>
                            
</tr>
</tbody>
</table>  
</td>
</tr>
</tbody>
</table>
</div>
<?php } ?>

<script>
$("#btBajaMiembro").click(function(event){
var info = $("#btBajaMiembro").attr('Onclick');
//alert("hola"+info);
event.preventDefault();
$.ajax({
type: "POST",
url: "enviaDatosBaja.php",
data: info,
success: function(){
$("#member").hide(function(){$('div.msg').fadeIn().fadeOut(3000);});
//$("#flotante").fadeOut(7000);
}  
});
});

</script>

the problem is  that var info = $("#btBajaMiembro").attr('Onclick') don't save the diferent value for each member 

i hope that somebody can help me

thanks for the possible responses