// Expandable content script.
var ie4 = false;

if(document.all) { ie4 = true; }

function getObject(id) {
    if (ie4) {
        return document.all[id];
    }
    else {
        return document.getElementById(id);
    }
}

function toggle(link, divId) {
    var lText = link.innerHTML;
    var d = getObject(divId);
    
    if (lText == '+') {
        link.title = 'Hide';
        link.innerHTML = '−';
        d.style.display = 'block';
    }
    else {
        link.title = 'Expand';
        link.innerHTML = '+';
        d.style.display = 'none';
    }
}