if (document.images) {
   imgOverview = new Image();
   imgDomain = new Image();
   imgProcess = new Image();
   imgTechnology = new Image();
   imgAssociates = new Image();
   imgValueAddComponents = new Image();

   imgOverview.src = "../images/menuImages/overview.gif";
   imgDomain.src = "../images/menuImages/domain.gif";
   imgProcess.src = "../images/menuImages/process.gif";
   imgTechnology.src = "../images/menuImages/technology.gif";
   imgAssociates.src = "../images/menuImages/associates.gif";
   imgValueAddComponents.src = "../images/menuImages/valueAddComponents.gif";
}