function openYouTube(id){
      //YouTube Player Parameters
      var width = 640;
      var height = 505;
      var FullScreen = "yes";
      var AutoPlay = "yes";
      var HighDef = "yes";
     
      //Calculate Page width and height
      var pageWidth = window.innerWidth;
      var pageHeight = window.innerHeight;
      if (typeof pageWidth != "number"){
      if (document.compatMode == "CSS1Compat"){
            pageWidth = document.documentElement.clientWidth;
            pageHeight = document.documentElement.clientHeight;
      } else {
            pageWidth = document.body.clientWidth;
            pageHeight = document.body.clientHeight;
            }
      }
      // Make Background visible...
      var divbg = document.getElementById('bg');
      divbg.style.visibility = "visible";
     
      //Create dynamic Div container for YouTube Popup Div
      var divobj = document.createElement('div');
      divobj.setAttribute('id',id); // Set id to YouTube id
      divobj.className = "popup";
      divobj.style.visibility = "visible";
      var divWidth = width + 4;
      var divHeight = height + 20;
      divobj.style.width = divWidth + "px";
      divobj.style.height = divHeight + "px";
      var divLeft = (pageWidth - divWidth) / 2;
      var divTop = (pageHeight - divHeight) / 2 - 10;
      //Set Left and top coordinates for the div tag
      divobj.style.left = divLeft + "px";
      divobj.style.top = divTop + "px";
     
      //Create dynamic Close Button Div
      var closebutton = document.createElement('div');
      closebutton.style.visibility = "visible";
      closebutton.innerHTML = "<span onclick=\"closeYouTube('" + id +"')\" class=\"close_button\">X</span>";
      //Add Close Button Div to YouTube Popup Div container
      divobj.appendChild(closebutton);

      //Create dynamic YouTube Div
      var ytobj = document.createElement('div');
      ytobj.setAttribute('id', "yt" + id);
      ytobj.className = "ytcontainer";
      ytobj.style.width = width + "px";
      ytobj.style.height = height + "px";
      if (FullScreen == "yes") FullScreen="&fs=1"; else FullScreen="&fs=0";
      if (AutoPlay == "yes") AutoPlay="&autoplay=1"; else AutoPlay="&autoplay=0";
      if (HighDef == "yes") HighDef="&hd=1"; else HighDef="&hd=0";
      var URL = "http://www.youtube.com/v/" + id + "&hl=en&rel=0&showsearch=0" + FullScreen + AutoPlay + HighDef;
      var YouTube = "<object width=\"" + width + "\" height=\"" + height + "\">";
      YouTube += "<param name=\"movie\" value=\"" + URL + "\"></param>";
      YouTube += "<param name=\"allowFullScreen\" value=\"true\"></param><param name=\"allowscriptaccess\" value=\"always\"></param>";
      YouTube += "<embed src=\"" + URL + "\" type=\"application/x-shockwave-flash\" ";
      YouTube += "allowscriptaccess=\"always\" allowfullscreen=\"true\" width=\"" + width + "\" height=\"" + height + "\"></embed></object>";
      ytobj.innerHTML = YouTube;
      //Add YouTube Div to YouTube Popup Div container
      divobj.appendChild(ytobj);
     
      //Add YouTube Popup Div container to HTML BODY
      document.body.appendChild(divobj);
}
function closeYouTube(id){
      var divbg = document.getElementById('bg');
      divbg.style.visibility = "hidden";
      var divobj = document.getElementById(id);
      var ytobj = document.getElementById("yt" + id);
      divobj.removeChild(ytobj); //remove YouTube Div
      document.body.removeChild(divobj); // remove Popup Div
}