<?php 

<div id="cibles">

<select>

<option value="1">Test1</option>

<option value="2">Test2</option>

</select>

</div> 

<?php 

<div id="cibles">

<select id="toto">

<option value="1">Test1</option>

<option value="2">Test2</option>

</select>

</div> 

<?php 

function attaquer()

{

    http = createRequestObject();

    http.open('post', 'pages/requetes_ajax.php', true);

    http.onreadystatechange = resultat_action_info;

    http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

    for(i=0; i<document.actions_jeu.cibles.length; i++)

    {

        if(document.actions_jeu.cibles.options[i].selected == true)

            http.send('attaquer=' +true+ '&cible=' +document.actions_jeu.cibles.options[i].value);

    }

}