gistfile1.js

(function() {
    toggleQuickFilter = GH.Components.QuickFilters.prototype.toggleQuickFilter;
    GH.Components.QuickFilters.prototype.toggleQuickFilter = function(event, button) {
        var title = $(button).attr('title');
        if (!$(button).hasClass('ghx-active') && title !== undefined && title.match(/RADIOBUTTON/)) {
            GH.Components.QuickFilters.prototype.clearFilters();
        }
        toggleQuickFilter.apply(this, Array.prototype.slice.call(arguments));
    };
}());