<!-- this javascript preloads homepage buttons and sets up rollovers -->
<!--
if (document.images) {
  contentUp = new Image;
  contentOver = new Image;
  commsUp = new Image;
  commsOver = new Image;
  contextUp = new Image;
  contextOver = new Image;

  contentUp.src = "/graphics/homepage/button_content_up.gif";
  contentOver.src = "/graphics/homepage/button_content_down.gif";
  commsUp.src = "/graphics/homepage/button_comms_up.gif";
  commsOver.src = "/graphics/homepage/button_comms_down.gif";
  contextUp.src = "/graphics/homepage/button_context_up.gif";
  contextOver.src = "/graphics/homepage/button_context_down.gif";
}

else{
  contentUp = "";
  contentOver = "";
  commsUp = "";
  commsOver = "";
  contextUp = "";
  contextOver = "";
}
//-->