function nghe(id, songType) {
    PopUpWindow("nghenhac.jsp?id=" + id + '&songType=' + songType + '&radom=' + (new Date()).getTime());
}

var nrtHearingWindow;
var width, height, left, top, styleStr;
function PopUpWindow(url)
{
    width = "282";
    height = "290";
    left = (screen.width / 2) - width / 2;
    //left = 20;
    top = (screen.height / 2) - height / 2;
    //top = ((screen.height / 2) - height / 2);
    styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=0,copyhistory=yes,width=' + width + ',height=' + height + ',left=' + left + ',top=' + top + ',screenX=' + left + ',screenY=' + top;

    nrtHearingWindow = window.open(url, "NrtHearingWindow", styleStr);
    nrtHearingWindow.focus();
}