addEventHandler(window, "load", prepareToggleDescription);

var imgChange = document.getElementById("imgChange");
var imgChangePeer = document.getElementById("imgChangePeer");

if(imgChange){
  preloadImages(imgChange);
  addEventHandler(imgChange, "mouseover", doImgChange);
  addEventHandler(imgChange, "mouseout", doImgChange);
  if(imgChangePeer){
    addEventHandler(imgChangePeer, "mouseover", doImgChangePeer);
    addEventHandler(imgChangePeer, "mouseout", doImgChangePeer);
  }
}