function video_player_close()
 {                  
  $('#video_player_popup').remove();
 }

function play_video(url)
 {
  $('body').append('<div id="video_player_popup" align="center" style="position:fixed;left:0;top:20px;z-index:1000003;width:650px;height:530px;padding-top:7px;background-color:#000000"><iframe src="" id="video_player_iframe" width="640" height="480" border="0"></iframe><div style="width:650px"><br></div><button onclick="video_player_close()">Sluiten</button></div>');
                  
  $('#video_player_iframe').attr('src', url);
  //$('#video_player_iframe').attr('src', 'http://www.makz.nl');

  var x = Math.round( ($('body').width() - 640) / 2 );
  $('#video_player_popup').css('left', x);
  $('#video_player_popup').focus();
                   
  $('#video_player_popup').bind("blur", video_player_close)
 }