/*
YouTube Poster Movie Swapper, version 2008-04-17 
Original source concept by David Battino, www.batmosphere.com
Adapted and updated by John Mulligan
Replaces a clicked image with a YouTube movie
OK to use if this notice is included
*/
      
function viewTube(triggerID,movieURL,movieWth,movieHt) {
  var embedcode = "<iframe width='" + movieWth + "'  height='" + movieHt + "'";
  embedcode += " src='" + movieURL + "' frameborder='0' allowfullscreen></iframe>";
  document.getElementById(triggerID).innerHTML=embedcode;
  }