function textMaxLength(obj, maxLength, evt)
            {
                var charCode=(evt.which) ? evt.which : event.keyCode
                var max = maxLength - 0;
                var text = obj.value;
                if(text.length > max)
                {
                    var ignoreKeys = [8,46,37,38,39,40,35,36];
                    for(i=0;i<ignoreKeys.length;i++)
                    {
                        if(charCode==ignoreKeys[i])
                        {
                            return true;
                        }
                    }
                    return false;
                }else
                {
                    return true;
                }
            }