pama/gist:b99e1ceaa849b6a67c05

## gistfile1.html
<html>

  <head>
    <script src="http://code.jquery.com/jquery-2.1.1.js"></script>
  </head>

  <body>
    <div id="timer"></div>

    <script>
      var time = 3;  // in seconds

      setInterval(function () {
        if(time == 0) {
          window.location = "http://www.google.com";
          // if you don't want to record page change in browser's history, use replace
          // window.location.replace("http://www.google.com");
        }

        // show the times in the browser
        set_counter(time)

        // update time
        time = time - 1;

        // if  time is zero, the party is over and we need to redirect
      }, 1000); // called every second

      /** time in seconds **/
      function set_counter(time) {
        var minutes = Math.floor(time / 60);
        var seconds = time - minutes * 60;

        $('#timer').text(format_number(minutes) + ":" + format_number(seconds));
      }

      /**
        returns a sero filled string representation of a 2 algarism number with a left zero

        eg: number 4 will be returned as "04"
      */
      function format_number(number) {
        return (number < 10) ? ("0" + number) : number;
      }
    </script>
  </body>
</html>
	<html>

	<head>
	<script src="http://code.jquery.com/jquery-2.1.1.js"></script>
	</head>

	<body>
	<div id="timer"></div>

	<script>
	var time = 3; // in seconds

	setInterval(function () {
	if(time == 0) {
	window.location = "http://www.google.com";
	// if you don't want to record page change in browser's history, use replace
	// window.location.replace("http://www.google.com");
	}

	// show the times in the browser
	set_counter(time)

	// update time
	time = time - 1;

	// if time is zero, the party is over and we need to redirect
	}, 1000); // called every second

	/ time in seconds /
	function set_counter(time) {
	var minutes = Math.floor(time / 60);
	var seconds = time - minutes * 60;

	$('#timer').text(format_number(minutes) + ":" + format_number(seconds));
	}

	/**
	returns a sero filled string representation of a 2 algarism number with a left zero

	eg: number 4 will be returned as "04"
	*/
	function format_number(number) {
	return (number < 10) ? ("0" + number) : number;
	}
	</script>
	</body>
	</html>