function preloadImages( imageRoot ){

    preloadPics(imageRoot+'/menu-/',
        'company-', 'company-ov',
        'solves-', 'solves-ov',
        'project-', 'project-ov',
        'info-', 'info-ov'
         );
         
  preloadPics(imageRoot,
        
        'jetstyle-', 'jetstyle'
         );           

  preloadFlag = true;
}