// Usage related utilities
// Note that this script relies on cookie_util.js and webvar_util.js being 
// already loaded somewhere else on the page (first)...

function getCountFromCookie() {
    try {
        var ck = new ConfirmCookie();
        ck.read();
        return ck.quantity;
    } catch(er) { return null; }
}

function getUsageCount() {
    try {
        var v = getCountFromCookie();
        if(!v) v = webvars.qty;
        if(!v) v = webvars.copies;
        if(!v) v = '1';
        return v;
    } catch(er) { return '1'; }
}