function SwapCompany() {
  document.company.src="images/company_on.gif"
}
function SwapCompanyBack() {
  document.company.src="images/company.gif"
}
function SwapProducts() {
  document.products.src="images/products_on.gif"
}
function SwapProductsBack() {
  document.products.src="images/products.gif"
}
function SwapServices() {
  document.services.src="images/services_on.gif"
}
function SwapServicesBack() {
  document.services.src="images/services.gif"
}
function SwapNews() {
  document.news.src="images/news_on.gif"
}
function SwapNewsBack() {
  document.news.src="images/news.gif"
}
function SwapSupport() {
  document.support.src="images/support_on.gif"
}
function SwapSupportBack() {
  document.support.src="images/support.gif"
}
function SwapContact() {
  document.contact.src="images/contact_on.gif"
}
function SwapContactBack() {
  document.contact.src="images/contact.gif"
}