$(document).ready(function() {
    $('#services_design').hide();
    $('#services_software').hide();
    $('#services_content').hide();
    $('#services_training').hide();
    
    
     $("#design").click(function () { 
       $('#main_image').fadeOut(1500);
       $('#services_design').fadeIn(1500);
       $('#services_software').fadeOut(1500);
       $('#services_content').fadeOut(1500);
       $('#services_training').fadeOut(1500);    
    });

    $("#software").click(function () { 
       $('#main_image').fadeOut(1500);
       $('#services_design').fadeOut(1500);
       $('#services_software').fadeIn(1500);
       $('#services_content').fadeOut(1500);
       $('#services_training').fadeOut(1500);    
    });
    
    
    $("#content").click(function () { 
       $('#main_image').fadeOut(1500);
       $('#services_design').fadeOut(1500);
       $('#services_software').fadeOut(1500);
       $('#services_content').fadeIn(1500);
       $('#services_training').fadeOut(1500);    
    });

    $("#training").click(function () { 
       $('#main_image').fadeOut(1500);
       $('#services_design').fadeOut(1500);
       $('#services_software').fadeOut(1500);
       $('#services_content').fadeOut(1500);
       $('#services_training').fadeIn(1500);    
    });
    
}
);