  <!-- Hide from old browsers  
Rollimage = new Array()
   
Rollimage[0] = new Image(115,26) 
Rollimage[0].src = "img/btn_whatwedo_on.gif" 

Rollimage[1] = new Image(115,26)
Rollimage[1].src = "img/btn_whatwedo_off.gif"

Rollimage[2] = new Image(196,26) 
Rollimage[2].src = "img/btn_technology_on.gif" 

Rollimage[3] = new Image(196,26)
Rollimage[3].src = "img/btn_technology_off.gif"

Rollimage[4] = new Image(119,26) 
Rollimage[4].src = "img/btn_casestudies_on.gif" 

Rollimage[5] = new Image(119,26)
Rollimage[5].src = "img/btn_casestudies_off.gif"

Rollimage[6] = new Image(251,26) 
Rollimage[6].src = "img/btn_request_on.gif" 

Rollimage[7] = new Image(251,26)
Rollimage[7].src = "img/btn_request_off.gif"


function SwapOut1() {
  document.rollx1.src = Rollimage[0].src;
  return true;
} 

function SwapBack1(){
  document.rollx1.src = Rollimage[1].src;
  return true;
}
function SwapOut2() {
  document.rollx2.src = Rollimage[2].src;
  return true;
} 

function SwapBack2(){
  document.rollx2.src = Rollimage[3].src;
  return true;
}
function SwapOut3() {
  document.rollx3.src = Rollimage[4].src;
  return true;
} 

function SwapBack3(){
  document.rollx3.src = Rollimage[5].src;
  return true;
}
function SwapOut4() {
  document.rollx4.src = Rollimage[6].src;
  return true;
} 

function SwapBack4(){
  document.rollx4.src = Rollimage[7].src;
  return true;
}
  // Stop hiding from old browsers -->