$(document).ready(function() {

    var prayers = $('.prayersEvents .prayersPanel');
    var events = $('.prayersEvents .eventsPanel');

    var prayersHeading = $('.prayersEvents .prayersPanel h3');
    var eventsHeading = $('.prayersEvents .eventsPanel h3');

    events.addClass(' disabled');

    prayersHeading.mouseover(function() {
        prayers.removeClass(' disabled');
        events.addClass(' disabled'); 
    });

    eventsHeading.mouseover(function() {
        events.removeClass(' disabled');
        prayers.addClass(' disabled'); 
    });
    
});