var minVersion = "2";
var SL = PluginDetect.isMinVersion('Silverlight', minVersion);

if (SL == 1){
   document.write(PluginDetect.getVersion('Silverlight'))
}

else if (SL == 0){

   document.write('Version Unknown')

}

else if (SL == -1) {

   if (PluginDetect.isMinVersion('Silverlight', '0') >= 0)
      document.write('Version Outdated')

   else document.write('Not Detected')

}

else if (SL == -2){
   document.write('Not Detected')

}

else if (SL == -3){
   document.write('Bad Input Argument')

};