<!--

if (document.images) {
  var left1 = new Image();
  left1.src = "/nav/left_roll.gif";
  var left2 = new Image();
  left2.src = "/nav/left_logo.gif";
  var nava1 = new Image();
  nava1.src = "/nav/row2a2.gif";
  var nava2 = new Image();
  nava2.src = "/nav/row2a1.gif";
   var navb1 = new Image();
  navb1.src = "/nav/row2b2.gif";
  var navb2 = new Image();
  navb2.src = "/nav/row2b1.gif";
  var navc1 = new Image();
  navc1.src = "/nav/row2c2.gif";
  var navc2 = new Image();
  navc2.src = "/nav/row2c1.gif"; 
  var navd1 = new Image();
  navd1.src = "/nav/row2d2.gif";
  var navd2 = new Image();
  navd2.src = "/nav/row2d1.gif";
  var nave1 = new Image();
  nave1.src = "/nav/row3a2.gif";
  var nave2 = new Image();
  nave2.src = "/nav/row3a1.gif";
  var navf1 = new Image();
  navf1.src = "/nav/row3b2.gif";
  var navf2 = new Image();
  navf2.src = "/nav/row3b1.gif";
  var navg1 = new Image();
  navg1.src = "/nav/row3c2.gif";
  var navg2 = new Image();
  navg2.src = "/nav/row3c1.gif";
  var navh1 = new Image();
  navh1.src = "/nav/row3d2.gif";
  var navh2 = new Image();
  navh2.src = "/nav/row3d1.gif";
  var navi1 = new Image();
  navi1.src = "/nav/row4a2.gif";
  var navi2 = new Image();
  navi2.src = "/nav/row4a1.gif";
  var navj1 = new Image();
  navj1.src = "/nav/row4b2.gif";
  var navj2 = new Image();
  navj2.src = "/nav/row4b1.gif";
  var navk1 = new Image();
  navk1.src = "/nav/row4c2.gif";
  var navk2 = new Image();
  navk2.src = "/nav/row4c1.gif";
  var navl1 = new Image();
  navl1.src = "/nav/row4d2.gif";
  var navl2 = new Image();
  navl2.src = "/nav/row4d1.gif";
  var navm1 = new Image();
  navm1.src = "/images/spclinklogob.gif";
  var navm2 = new Image();
  navm2.src = "/images/spclinklogo.gif";
}

function act(imgName) {
  if (document.images) 
   document[imgName].src = eval(imgName + "1.src");
}

function inact(imgName) {
  if (document.images)
   document[imgName].src = eval(imgName + "2.src");
}
//-->