// namepsace
var AS = AS || {};
AS.namespace = function(){
    for(var i=0, j=arguments.length; i < j ; i++){
        var names = arguments[i].split('.');
        var curName = names.splice(0,1)[0];
        if(!AS[curName]){
            AS[curName] = {};
        }
        var current = AS[curName];
        for(var name in names) {
            if(!current[names[name]]){
                current[names[name]] = {}
            }
            current = current[names[name]];
        }
    }
}