var ge = window.ge ? window.ge : {};

isc.addMethods(ge, {
    objectIsEmpty : function (object) {
        return isc.isAn.emptyObject(object);
    },
    objectIsNotEmpty : function (object) {
        if (!isc.isAn.Object(object)) {
            return false;
        }
        for (var i in object) {
            return true;
        }
        return false;
    }
});

// Add Debug constants
isc.addProperties(ge, {
    DEBUG: {
        tinyDebug: false
    }
});

// Add UnitUtils constants and methods
isc.addProperties(ge, {
    MM_PER_INCH: 25.4,
    POINT_PER_INCH: 72
});
isc.addProperties(ge, {
    MM_PER_POINT: ge.MM_PER_INCH / ge.POINT_PER_INCH,
    POINT_PER_MM: ge.POINT_PER_INCH / ge.MM_PER_INCH
});
isc.addMethods(ge, {
    convertPointToMillimeter: function(point) {
        return point * ge.MM_PER_POINT;
    },
    convertMillimeterToPoint: function(mm) {
        return mm * ge.POINT_PER_MM;
    }
});

if (!Array.prototype.indexOfById)
{
  Array.prototype.indexOfById = function(elt /*, from*/)
  {
    var len = this.length;

    var from = Number(arguments[1]) || 0;
    from = (from < 0)
         ? Math.ceil(from)
         : Math.floor(from);
    if (from < 0)
      from += len;

    for (; from < len; from++)
    {
      if (from in this &&
          this[from].id == elt.id)
        return from;
    }
    return -1;
  };
}