// class
Dialogs.prototype = {}

// show the dialog
ui.Dialogs.showConfirmDialog("Elapsed Time" "Do you want to continue?", warnUser, document.getElementById("content"), "standard");

function warnUser(result, elapsedTime)
{
 if (result == ui.ModalResult.Cancel) return;

  
 alert("You have played this game for " + elapsedTime + "minutes!);
 
}