about=new Image;
about.src="/images/about.gif";
company=new Image;
company.src="/images/company.gif";
opportunities=new Image;
opportunities.src="/images/opportunities.gif";
contact=new Image;
contact.src="/images/contact.gif";
articles=new Image;
articles.src="/images/articles.gif";

aboutO=new Image;
aboutO.src="/images/aboutO.gif";
companyO=new Image;
companyO.src="/images/companyO.gif";
opportunitiesO=new Image;
opportunitiesO.src="/images/opportunitiesO.gif";
contactO=new Image;
contactO.src="/images/contactO.gif";
articlesO=new Image;
articlesO.src="/images/articlesO.gif";

function hiLight(imgName,imgNewImage) {
  document.images[imgName].src = eval(imgNewImage + ".src");
}