// Original code by Jeffrey Zeldman - www.zeldman.com -
// THNX & RSPCT to Jeffrey

function newImage(arg) {
     if (document.images) {
          rslt = new Image();
          rslt.src = arg;
          return rslt;
     }
}

function changeImages() {
     if (document.images && (preloadFlag == true)) {
          for (var i=0; i<changeImages.arguments.length; i+=2) {
               document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
          }
     }
}

var preloadFlag = false;
function preloadImages() {
     if (document.images) {
          firmaover = newImage("/images/layout/firma_over.png");
          vyrobaover = newImage("/images/layout/vyroba_over.png");
          produktyover = newImage("/images/layout/produkty_over.png");
          objednavkaover = newImage("/images/layout/objednavka_over.png");
          ineover = newImage("/images/layout/ine_over.png");
          kontaktover = newImage("/images/layout/kontakt_over.png");
          preloadFlag = true;
     }
}