leadership = new Image;
    strategy = new Image;
    commitment = new Image;
    organisation = new Image;
    culture = new Image;
    processes = new Image;
    solutions = new Image;
    user = new Image;
    blank = new Image;
    
    leadership.src = "../images/services/doughnut_leadership_on.gif";
    strategy.src = "../images/services/doughnut_businessstrategy_on.gif";
    commitment.src = "../images/services/doughnut_commitment_on.gif";
    organisation.src = "../images/services/doughnut_organisation_on.gif";
    culture.src = "../images/services/doughnut_culture_on.gif";
    processes.src = "../images/services/doughnut_processes_on.gif";
    solutions.src = "../images/services/doughnut_technology_on.gif";
    user.src = "../images/services/doughnut_userexperience_on.gif";
    blank.src = "../images/services/doughnut_none_on.gif";
    
    segments = new Array(leadership, strategy, commitment, organisation, culture, processes, solutions, user);
    
    function segon(part) {
        document.getElementById("imgon").src = segments[part].src;
    }

    function segoff() {
        document.getElementById("imgon").src = blank.src;
    }