FB.ui not working on IE

I need help desesperately, it's been a week since I'm stuck trying to resolve this problem, I call FB.ui in FireFox and Chrome without any problem, but when I try with IE it doesn't appear the Facebook dialog. Actually the code i开发者_如何学运维s like this:

function inviteFriends(myMessage) {
    var obj = {
        method: 'apprequests',
        message: myMessage,
        icon: 'http://www.mywebsite.com/logo.jpg',
        data: 'tracking information for the user'
    };

    FB.ui(obj, callbackInvite);
}

var callbackInvite = function(response) {
        document["flashContent"].InvitedFriends(response);
}

Please, any help will be welcomed

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Might try this out:

displayMode = "popup";

Looks like there's a bug with IE and FB.ui

http://bugs.developers.facebook.net/show_bug.cgi?id=17565