var generic = {};
generic.list = function(){
    this.items = new Array();
}
generic.list.prototype.getItems = function(){
	return this.items;
}
generic.list.prototype.add = function(item){
    if(this.items.length != 0){
        var oldlen = this.items.length;
        var tmp = new Array(oldlen + 1);
        var i = 0;
        for(i = 0 ; i < this.items.length ; i++){
            tmp[i] = this.items[i];
        }
        tmp[(tmp.length -1)] = item;
        this.items = new Array(tmp.length);
        for(i = 0 ; i < tmp.length; i++){
            this.items[i] = tmp[i];
        }
        tmp = null;
    }else{
    	this.items = new Array(1);
        this.items[0] = item;
    }
}
generic.list.prototype.insert = function(item, index){
    if(this.items.length != 0){
        var oldlen = this.items.length;
        var tmp = new Array(oldlen + 1);
        var i = 0;
        var j = 0;
        for(i = 0 ; i < tmp.length ; i++){
        	if(i == index){
        		tmp[i] = item;
        	}else{
            	tmp[i] = this.items[j];
            	j++;
            }
        }
        this.items = new Array(tmp.length);
        for(i = 0 ; i < tmp.length; i++){
            this.items[i] = tmp[i];
        }
        tmp = null;
    }else{
		this.items = new Array(1);
        this.items[0] = item;
    }
}
generic.list.prototype.addRange = function(objectArray){
    if(this.items.length != 0){
        var oldlen = this.items.length;
        var tmp = new Array(oldlen + objectArray.length);
        var i = 0;
        for(i = 0 ; i < this.items.length ; i++){
            tmp[i] = this.items[i];
        }
        for(i = 0; i < objectArray.length; i++){
            tmp[(i + oldlen)] = objectArray[i];
        }
        this.items = new Array(tmp.length);
        for(i = 0 ; i < tmp.length; i++){
            this.items[i] = tmp[i];
        }
        tmp = null;
    }else{
        var iloop = 0;
        this.items = new Array(objectArray.length);
        for(iloop = 0 ; iloop < objectArray.length; iloop++){
            this.items[iloop] = objectArray[iloop];
        }
    }
}
generic.list.prototype.find = function(item){
    var index = -1;
    var i = 0;
    for(i = 0 ; i < this.items.length; i++){
        if(this.compare(this.items[i],item)){
            index = i;
            break;
        }   
    }
    return index;
}
generic.list.prototype.compare = function(a,b){
	return (a == b);
}
generic.list.prototype.remove = function(item){
    var index = this.find(item);
    if(index != -1){
        var tmp = new Array((this.items.length - 1));
        var i = 0;
        var j = 0;
        for(i = 0; i < this.items.length; i++){
            if(i != index){
                tmp[j] = this.items[i];
                j++;
            }
        }
        this.items = new Array(tmp.length);
        for(i = 0 ; i < tmp.length ; i++){
            this.items[i] = tmp[i];
        }
        tmp = null;
        this.count--;
   }
}
generic.list.prototype.removeAt = function(index){
	if(this.items.length == 1){
		this.items = null;
		this.items = new Array();
	}else{
		var tmp = new Array((this.items.length - 1));
		var i = 0;
		var j = 0;
		for(i = 0; i < this.items.length; i++){
			if(i != index){
				tmp[j] = this.items[i];
				j++;
			}
		}
		this.items = new Array(tmp.length);
		for(i = 0 ; i < tmp.length ; i++){
	    	this.items[i] = tmp[i];
	    }
	    tmp = null;
    }
}
generic.list.prototype.join = function(seprator){
    var i = 0;
    var result = "";
    for(i = 0; i < this.items.length; i++){
        if(i == (this.items.length - 1)){
            result += this.items[i];
        }else{
            result += this.items[i] + seprator;
        }
    }
    return result;
}
generic.list.prototype.clear = function(){
    this.items = new Array();
}