voici tout mon code source :
<?
include ("configuration.inc.php");
$html = '';
$html .= "<html>";
$html .= "<head>";
$html .= "<title>Mes contacts </title>";
$html .= "</head>";
$html .= "<body>";
$html .= "<table border='0' cellpadding='0' cellspacing='0' summary=''>";
$html .= "<form action='frm_contact'>";
$html .= "<tr><td width='230' bgcolor='#1E386E'
class='normal'><img
src='<?=$wwwroot?>/images/b_contact.GIF' alt='contacts'
border='0' /> <font
color='#FFFFFF'>Mes contacts</font></td><td
class='normal'> </td><td bgcolor='#1E386E'
width='230' class='normal'> <font color='#FFFFFF'>Ma
selection</font></td></tr>";
$html .= "<tr><td>";
$html .= "<select name='str_contacts1' size='20' width='230' style='width:230px;'>";
$sql = "SELECT customers_email_address FROM
customers";
$result=@mysql_query($sql, $connexion->id_connect);
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
$html .= "<option value='".$row['customers_email_address']."'>".$row['customers_email_address']."</option>";
}
$html .= "</select>";
$html .= "</td>";
$html .= "<td align='center' > <span class='texte'>";
$html .= "<input type='button' value='Ajouter >>>'
onclick='Deplacer(this.form.str_contacts1,this.form.str_contacts2)'
name='button' />";
$html .= "<br/>";
$html .= "<br/>";
$html .= "<input type='button' value='<<<
Enlever'
onclick='Deplacer(this.form.str_contacts2,this.form.str_contacts1)'
name='button' />";
$html .= "</span>";
$html .= "</td>";
$html .= "<td class='normal' align='center'><span class='normal'>";
$html .= "<select name='str_contacts2' size='20' width='230' style='width:230px;'>";
$html .= "<option value='10'>----------------------</option>";
$html .= "</select>";
$html .= "</span></td>";
$html .= "</tr>";
$html .= "document.frm_contact.str_contacts2.options.length=0;";
$html .= "</form>";
$html .= "</table>";
$html .= "</body>";
$html .= "</html>";
?>
<script language="JavaScript" type="text/javascript">
function Deplacer(l1,l2) {
if (l1.options.selectedIndex>=0) {
o=new Option(l1.options[l1.options.selectedIndex].text,l1.options[l1.options.selectedIndex].value);
l2.options[l2.options.length]=o;
l1.options[l1.options.selectedIndex]=null;
}else{
alert("Aucune activité sélectionnée");
}
}
function MM_contactsWindow(html){
popupImage =
window.open(''+self.location,'mywin','left=20,top=20,width=450,height=650,toolbar=0,resizable=0,scrollbars=0,directories=0,
menuBar=0');
popupImage.document.open();
popupImage.document.write(html);
popupImage.document.close()
}
</script>
<table border="0" cellpadding="0" cellspacing="0" summary="">
<tr><td><a
href="<?=$wwwroot?>/contacts.php#"><img
src="<?=$wwwroot?>/images/clairissime/body_clair.gif" alt="Body
clair" width="" height="" border="0"
onClick="MM_contactsWindow('<?=$html?>')"
/></a></td></tr>
</table>