[jQuery] IE bug ajax

[jQuery] IE bug ajax


Hello,
it's the second time a send this message . But I can't see the first
one ... so sorry if you find it two time ...
My code work very well with mozilla but I doesn't with IE , I received
always the error message, if somme one could help me ...
/* Variable global */
var idFormat=new Array();
var largeur=new Array();
var hauteur=new Array()
$(document).ready( function(){
    req ={};
    req["action"]= "format";
    $.ajax({
         type: "GET",
         data: req,
         url: "BD/utilisateur.php",
         success: function(x){
                 a = x.split("<coupe>");
                 a.pop();
                 for (i=0;i<a.length;i++){
                    b = a[i].split("<sep>");
                    idFormat[i+1] = b[0];
                    largeur[i+1] = b[2];
                    hauteur[i+1] = b[3];
                 }
         },
         error : function(x){
            alert("<h1>error</h1>");
         }
    });
});
function afficher(){
    $(".bloc").each(function (x){
        taille = $(this).attr("format");
        haut = parseInt(hauteur[taille]);
        large = parseInt(largeur[taille]);
        $(this).height(haut*1.5);
        $(this).width(large);
    });
}
Thank you very much !!!
Sourrisseau