    var wooYayIntervalId = 0;

    function wooYayClickHandler ( )
    {
      if ( document.getElementById("wooYayButton").value == "Click me!" )
      {
        // Start the timer
        document.getElementById("wooYayButton").value = "Enough already!";
        wooYayIntervalId = setInterval ( "wooYay()", 1000 );
      }
      else
      {
        document.getElementById("wooYayMessage").innerHTML = "";
        document.getElementById("wooYayButton").value = "Click me!";
        clearInterval ( wooYayIntervalId );
      }
    }

    function wooYay ( )
    {
      if ( Math.random ( ) > .5 )
      {
        document.getElementById("wooYayMessage").innerHTML = "Woo!";
      }
      else
      {
        document.getElementById("wooYayMessage").innerHTML = "Yay!";
      }

      setTimeout ( 'document.getElementById("wooYayMessage").innerHTML = ""', 500 );

    }