//check for Flash Player X

//check the navigator.plugins array exists, IE for Windows will fail on this.
if(navigator.plugins.length)
{

  //some variables
  //a counter
  var i;

  var xhtmlContent = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="400" height="528"><param name="movie" value="http://www.zabel.de/pics/home/home.swf"><param name="quality" value="high"><embed src="http://www.zabel.de/pics/home/home.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="400" height="528"></embed></object>';

  var alternateContent = '<img src="http://www.zabel.de/pics/home/home_nf.jpg" width="400" height="528">';

  //loop through all the plugins installed
  for (i=0; i < navigator.plugins.length; i++)
  {
       //put the plugin string in a variable
       var pluginIdent = navigator.plugins[i].description.split(" ");
       //The Flash Player identification string is ([] = the array index) [0]Shockwave [1]Flash [2]6.0 [3]r21


       //if less than Flash Player 6 is detected, run this code.
       if(pluginIdent[0] == "Shockwave" && pluginIdent[1] == "Flash")
       {
          //set a toggle to show that some sort of Flash Player (of versions 1-5) was found
          var isSwfEnabled = true;

          //an array of the Flash version number (major.minor)
          var versionArray = pluginIdent[2].split(".");

          if(versionArray[0] < 6)
          {
             //show alternate content
             document.write(alternateContent);
          }
          else
          {
             //Flash Player 6 or greater has been found, roll out the <object> tag.
             document.write(xhtmlContent);
          }

       //need to break this loop as some browsers may have two versions installed
       //eg my Firebird [21] release has r65 and r79 installed!
       break;

       }//end if pluginIdent


  }//end for


  //check if no Shockwave Flash was detected in the array (no Flash Player installed)
  if(!isSwfEnabled)
  {
     document.write(alternateContent);
  }//end if

}