function time () {
    // Return current UNIX timestamp  
    // 
    // version: 1008.1718
    // discuss at: http://phpjs.org/functions/time
    // +   original by: GeekFG (http://geekfg.blogspot.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: metjay
    // +   improved by: HKM
    // *     example 1: timeStamp = time();
    // *     results 1: timeStamp > 1000000000 && timeStamp < 2000000000
    
    return Math.floor(new Date().getTime()/1000);
}