Javascript Collection Class

Javascript does not need a Template for Connection Classes.
One Class fits all!
Items.js:

function Items(oConstructor){
    this.oPage=new Page();
    this.items = [];
    
    //this.sItem=sItem; //e.g.: "Person"
    this.oConstructor=oConstructor;
};
Items.prototype.Unload = function() {
    this.items.length = 0;
    
    delete this.oConstructor;
    delete this.oPage;
    delete this.items;
};
Items.prototype.Add = function(oItem) {
    //this.items[this.items.length] = oItem;
    this.items.push(oItem);
};
Items.prototype.Clear=function(){
    this.items=[];
    //this.oPage.Clear();
};
Items.prototype.IsEqual = function(o) {
    var oItem, nItm;
    if (!this.oPage.IsEqual(o.oPage)) return false;
    if (this.items.length !== o.items.length) return false;
    for (nItm = 0; nItm <= this.items.length - 1; nItm++) {
        if (!this.items[nItm].IsEqual(o.items[nItm])) return false;
    }
    return true;
}
Items.prototype.Copy = function(o) {
    var oItem, nItm;
    this.oPage.Copy(o.oPage);
    this.items = [];
    for (nItm = 0; nItm <= o.items.length - 1; nItm++) {
        oItem = new this.oConstructor();
        oItem.Copy(o.items[nItm]);
        this.items[nItm] = oItem;
    }
    return this;
};
Items.CopyTo = function(o) {
    o.Copy(this);
    return this;
};
Items.prototype.Count = function() {
    return this.items.length;
};
Items.prototype.toString = function() {
    var sOut = "[";
    sOut += "[" + this.oPage.toString() + "]";

    for (var nItm = 0; nItm <= this.items.length - 1; nItm++) {
        sOut += "[" + this.items[nItm].toString() + "]";
    }
    sOut += "]";
    //sOut+=this.items[this.items.length-1].toString();
    return sOut;
};
Items.prototype.Parse=function(o){
    this.oPage.Parse(o[0]);
    var oItem;
    var nItm;
    this.items=[];
    for(nItm=0; nItm <= o[1].length-1; nItm++){
        //oItem = new Item();
        //oItem=eval("new "+sItem+"()");
        oItem = new this.oConstructor();
        oItem.Parse(o[1][nItm]);
        this.items[nItm]= oItem;
    }
};
//--Client Server----------------------------------------------
Items.prototype.Load = function(fCb, sVals) {
    this.LoadRe = function(oItems) {
        return function(oResult) {
            if (oResult && oResult.nError && oResult.nError == 1) {
                ins.oUser.Login();
            } else {
                oItems.Parse(oResult);
                fCb();
            }
        }
    } (this);
    var sData;
    if (sVals == undefined) {
        //o Jd.send(this.LoadRe, "sAction=get" + this.oConstructor.sId + "s&sVals=" + u$(this.oPage.toString()));
        //ins.Post("getAll"+this.oConstructor.sId+"s" ,this.oPage.toString(), this.LoadRe);
        ins.Post(this.oConstructor.sId + "s",(this.oPage.sAction==""?"getAll":this.oPage.sAction), this.oPage.toString(), this.LoadRe);
    } else {
        //o Jd.send(this.LoadRe, "sAction=get" + this.oConstructor.sId + "s&sVals=" + u$(sVals));
        //ins.Post("getAll"+this.oConstructor.sId+"s" ,sVals, this.LoadRe);
        ins.Post(this.oConstructor.sId + "s", "getAll", sVals, this.LoadRe);
    }
};