var MIXAD = window.MIXAD || {};

MIXAD.namespace = function(nameSpace) 
{
	if (!nameSpace || !nameSpace.length) 
	{
		return null;
	}

    var levels = nameSpace.split(".");

    var currentNameSpace = MIXAD;

    for (var i=(levels[0] == "MIXAD") ? 1 : 0; i < levels.length; ++i) 
	{
        currentNameSpace[levels[i]] = currentNameSpace[levels[i]] || {};
        currentNameSpace = currentNameSpace[levels[i]];
    }

    return currentNameSpace;
};

MIXAD.namespace("common");
MIXAD.namespace("tool");
MIXAD.namespace("widget");