var imagesList = [
               '/images/m_company_on.jpg','/images/m_services_on.jpg','/images/m_partners_on.jpg','/images/m_priority_on.jpg',
               '/images/m_contact_on.jpg','/images/t_company.jpg','/images/t_services.jpg','/images/t_partners.jpg','/images/t_priority.jpg','/images/t_contact.jpg',
			   '/images/t_en_company.jpg','/images/t_en_services.jpg','/images/t_en_partners.jpg','/images/t_en_priority.jpg',
               '/images/t_en_contact.jpg','/images/t_reinsurance.jpg','/images/t_en_reinsurance.jpg','/images/t_insurance.jpg','/images/t_en_insurance.jpg'
];

var aImages = [];
for (var i = 0, len = imagesList.length; i < len; i++) {
       aImages[i] = new Image();
       aImages[i].src = imagesList[i];
}