function toggle(elementid, displayid) {
    var ele = document.getElementById(elementid);
    var text = document.getElementById(displayid);
    if (ele.style.display == "block") {
        ele.style.display = "none";
        text.innerHTML = "more...";
    }
    else {
        ele.style.display = "block";
        text.innerHTML = "collapse...";
    }
}

function toggle(elementid, imageid) {
    var ele = document.getElementById(elementid);
    var img = document.getElementById(imageid);
    if (ele.style.display == "block") {
        ele.style.display = "none";
        img.src = '/DIAHOME/Common/Resources/Images/tree_plus.gif';       
    }
    else {
        ele.style.display = "block";
        img.src = '/DIAHOME/Common/Resources/Images/tree_minus.gif';
    }
}