document.write('<style type="text/css">');
document.write('.hide { cursor:pointer; ');
document.write('text-decoration:underline; }');
document.write('.hidden { display:none; }');
document.write('</style>');

function showHide(hide) {
    if(!document.getElementById) return;
    var obj = document.getElementById(hide);
    if(obj) {
        if(obj.style.display == "block")
            obj.style.display = "none";
        else obj.style.display = "block";
    }
}