var pt027bw = '255';
var pt027FileSize  = 3995;
var pt027FileName  = '3995.jpeg';
var pt027Rand = Math.round(Math.random() * 123456789);

function RightNow() {
    var time = new Date();
    return time.getTime();
}

function CalculateSpeed(timeStart, fileSize) {
    var timeEnd;
    var kbps;
    var timeEnd = RightNow();
    var timeElapsed = (timeEnd - timeStart) / 1000;

    if (timeElapsed > 0) {
       kbps = Math.floor(fileSize / timeElapsed / 128);

       if (kbps <= 128) {
	  pt027bw = '1';
       } else {
	  pt027bw = '2';
       }
    }
}