var currentPlayer;
function EvalSound(soundobj) {

 var thissound=document.getElementById(soundobj);
 if(currentPlayer && currentPlayer != thissound)
 {
      currentPlayer.pause(); 
 }
 if (thissound.paused)

        thissound.play();

 else
        thissound.pause();
        thissound.currentTime = 0;
        currentPlayer = thissound;
}