function skinInstall(aJarPath, aSkinName){

    if(!window.InstallTrigger){
      alert("This skin can only be installed in Firefox browsers.");
      return;
    }

    var jarFile = aJarPath; //JAR path
    var skinName = aSkinName; // skin name
    InstallTrigger.installChrome(InstallTrigger.SKIN, jarFile, skinName);
  }