public static function isItem(item_object, type:String):Boolean {
    type = type.toLowerCase();
    for(var i:int = 0; i <  Items.ItemCompareArray[findItemInCompare(item_object)].sorter.length; i++) {
        if(Items.ItemCompareArray[findItemInCompare(item_object)].sorter[i] == type) {
            return true;
        }
    }
    return false;
}