Array.prototype.indexOf = function (val) {
    for (var x = 0; x < this.length; x++) {
        if (this[x] == val) {
            return x;
        }
    }
    return -1;
}
Array.prototype.remove = function (val) {
    for (var x = 0; x < this.length; x++) {
        if (this[x] == val) {
            this.splice(x, 1);
        }
    }
}
Array.prototype.serialize = function (key) {
    var serializedString = "";
    for (var x = 0; x < this.length; x++) {

        if (serializedString != "") {
            serializedString += "&";
        }

        serializedString += key + "=" + this[x];
    }

    return serializedString;
}