// Preload image - incase they are large images.
if(document.images){
  var main = new Image(); main.src = "/images/framework/nav_new.gif";
  var img1 = new Image(); img1.src = "/images/framework/nav_new_over.gif";
  var main2 = new Image(); main2.src = "/images/framework/nav_receive.gif";
  var img2 = new Image(); img2.src = "/images/framework/nav_receive_over.gif";
}

function change(imageName){
  if(document.images){ document['main'].src = eval(imageName + ".src"); }
}

function changeBack(){
  if(document.images){ document['main'].src = main.src; }
}

function change2(imageName){
  if(document.images){ document['main2'].src = eval(imageName + ".src"); }
}

function changeBack2(){
  if(document.images){ document['main2'].src = main2.src; }
}