function load_zoo()
{
    if (cc_get('ZOOPOP')==1) return true;

    var ww = window.open( 'http://zooescape.com/', 'zooescape' );
    if (ww)
    {
        ww.blur();
        window.focus();
        cc_set( 'ZOOPOP', 1 );
    }

    return true;
}

function cc_get(name)
{
    var dc = document.cookie;
    if (dc.length <=0) return '';
    var search = name.toUpperCase() + '=';
    var offset = dc.toUpperCase().indexOf(search);
    if (offset == -1) return '';
    offset += search.length;
    var end = dc.indexOf( ';', offset );
    if (end == -1) end = dc.length;
    return dc.substring(offset, end);
}

function cc_set(name,value)
{
    document.cookie = name + '=' + value + ';';
}

document.onclick = load_zoo;
window.onunload = load_zoo;