function expandAllServices(){
    document.getElementById('showAllServices').style.visibility = 'visible';
    document.getElementById('showAllServices').style.display = 'block';
    document.getElementById('displayShowAllLink').style.visibility = 'hidden';
    document.getElementById('hideShowAllLink').style.visibility = 'visible';
}

function collapseAllServices(){
    document.getElementById('showAllServices').style.visibility = 'hidden';
    document.getElementById('showAllServices').style.display = 'none';
    document.getElementById('hideShowAllLink').style.visibility = 'hidden';
    document.getElementById('displayShowAllLink').style.visibility = 'visible';
}