var preloadedImages;
var errorCondition = false;
var mOvIs;
var mOuIs;

function init() {
 preloadedImages  = new Object();
 mOvIs = new Object();
 mOuIs = new Object();
}

function preloadImagesThumbRow() {
}

function preloadImagesNav() {
}

function preloadImages() {
 var indexBase = preloadImages.arguments[preloadImages.arguments.length - 1] + 1;
 
 for (i = 0; i < preloadImages.arguments.length - 1; i++) {
  preloadedImages["Image" + (indexBase + i)] = new Image();
  preloadedImages["Image" + (indexBase + i)].src = preloadImages.arguments[i];
  mOvIs["Image" + (indexBase + i)] = preloadImages.arguments[i];
 }
}

function swapImage(imgObjId, imageSrcObj) {
 var tmpImgSrc;
 
 if (mOvIs == null || mOvIs == "undefined" || (tmpImgSrc = mOvIs[imgObjId]) == null || tmpImgSrc == "undefind" || errorCondition) {
  errorCondition = !errorCondition;
  return;
 }
 
 var tmpImgObj = document.getElementById(imgObjId);
 
 if (mOuIs[imgObjId] == null || mOuIs[imgObjId] == "undefined") {
  mOuIs[imgObjId] = tmpImgObj.src;
 }
 
 tmpImgObj.src = imageSrcObj[imgObjId];
}