function expand(which) {
    var closedimg = 'closed' + which.toString();
    var openimg = 'open' + which.toString();
    var expdiv = 'expandItem' + which.toString();
    var smdiv = 'showmore' + which.toString();
    document.getElementById(closedimg).style.display = 'none';
    document.getElementById(smdiv).style.display = 'none';
    document.getElementById(openimg).style.display = 'block';
    document.getElementById(expdiv).style.display = 'block';
}

function collapse(which) {
    var closedimg = 'closed' + which.toString();
    var openimg = 'open' + which.toString();
    var expdiv = 'expandItem' + which.toString();
    var smdiv = 'showmore' + which.toString();
    document.getElementById(closedimg).style.display = 'block';
    document.getElementById(smdiv).style.display = 'block';
    document.getElementById(openimg).style.display = 'none';
    document.getElementById(expdiv).style.display = 'none';
}