function getElement(eid) {
    if (document.all) {
        return document.all[eid];
    }
    else if (document.getElementById) {
        return document.getElementById(eid);
    }
}

function show(target)
 {
    teaser = getElement("teasers");
    ps =  teaser.getElementsByTagName("P");
    for (var idx = 0; idx < ps.length; idx++) 
        {
        tag = ps[idx]
        if (tag.className == target)
            tag.style.display = 'block';
        else 
            tag.style.display = 'none';
        }
}