imgHome = new Image();
imgHome.src = "graphics/n_home.gif";
imgHomeOn = new Image();
imgHomeOn.src = "graphics/ns_home.gif";

imgBuyers = new Image();
imgBuyers.src = "graphics/n_buyers.gif";
imgBuyersOn = new Image();
imgBuyersOn.src = "graphics/ns_buyers.gif";

imgPros = new Image();
imgPros.src = "graphics/n_pros.gif";
imgProsOn = new Image();
imgProsOn.src = "graphics/ns_pros.gif";

imgAcademy = new Image();
imgAcademy.src = "graphics/n_academy.gif";
imgAcademyOn = new Image();
imgAcademyOn.src = "graphics/ns_academy.gif";

imgCommercial = new Image();
imgCommercial.src = "graphics/n_commercial.gif";
imgCommercialOn = new Image();
imgCommercialOn.src = "graphics/ns_commercial.gif";

imgAbout = new Image();
imgAbout.src = "graphics/n_about.gif";
imgAboutOn = new Image();
imgAboutOn.src = "graphics/ns_about.gif";

imgNews = new Image();
imgNews.src = "graphics/n_news.gif";
imgNewsOn = new Image();
imgNewsOn.src = "graphics/ns_news.gif";

imgContact = new Image();
imgContact.src = "graphics/n_contact.gif";
imgContactOn = new Image();
imgContactOn.src = "graphics/ns_contact.gif";

//---------------------------------------------------------------------
//
// img_act
//
//---------------------------------------------------------------------
function img_act(imageName, imageObject)
{   
   document.images[imageName].src = eval(imageObject);
}