var YAHOO = window.YAHOO || {};

YAHOO.namespace = function( sNameSpace ) {

    if (!sNameSpace || !sNameSpace.length) {
        return null;
    }

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

    var currentNS = YAHOO;

    // YAHOO is implied, so it is ignored if it is included
    for (var i=(levels[0] == "YAHOO") ? 1 : 0; i<levels.length; ++i) {
        currentNS[levels[i]] = currentNS[levels[i]] || {};
        currentNS = currentNS[levels[i]];
    }

    return currentNS;
};

YAHOO.log = function(sMsg,sCategory) {
    if(YAHOO.widget.Logger) {
        YAHOO.widget.Logger.log(null, sMsg, sCategory);
    } else {
        return false;
    }
};

YAHOO.namespace("util");
YAHOO.namespace("widget");
YAHOO.namespace("example");