function B1mouseOver()
  {
   document.getElementById("b1").src ="b1_home_over.jpg";
  }
function B2mouseOver()
  {
   document.getElementById("b2").src ="b2_gallery_over.jpg";
  }
function B3mouseOver()
  {
   document.getElementById("b3").src ="b3_order_over.jpg";
  }
function B4mouseOver()
  {
   document.getElementById("b4").src ="b4_contact_over.jpg";
  }
function B5mouseOver()
  {
   document.getElementById("b5").src ="b5_links_over.jpg";
  }
function B1mouseOut()
  {
   document.getElementById("b1").src ="b1_home.jpg";
  }
function B2mouseOut()
  {
   document.getElementById("b2").src ="b2_gallery.jpg";
  }
function B3mouseOut()
  {
   document.getElementById("b3").src ="b3_order.jpg";
  }
function B4mouseOut()
  {
   document.getElementById("b4").src ="b4_contact.jpg";
  }
function B5mouseOut()
  {
   document.getElementById("b5").src ="b5_links.jpg";
  }