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$.subscribe = function( eventName, obj, method ){
    $(window).bind( eventName, function() {
        obj[method].apply( obj, Array.prototype.slice.call( arguments, 1));
    });
    return jQuery;
}

$.unSubscribe = function( eventName, obj, method ){
    $(window).unbind( eventName, function() {
        obj[method].apply( obj, Array.prototype.slice.call( arguments, 1));
    });
    return jQuery;
}

$.publish = function(eventName){
    $(window).trigger(eventName, Array.prototype.slice.call( arguments, 1));
    return jQuery;
}

// called like this:

$.subscribe('locationReadyForTimer', this.mapLoadHandler, 'loadHandler');
$.unSubscribe('locationReadyForTimer', this.mapLoadHandler, 'loadHandler');