preloadFlag == true;

function newImage(arg) {
      if (document.images) {
                rslt = new Image();
           rslt.src = arg;
         
        return rslt;
  }
}
function changeImagesArray(array) {
     if (preloadFlag == true) {
            var d = document; var img;
            for (i=0;i<array.length;i+=2) {
                 img = null; var n = array[i];
                 if (d.images) {
                               if (d.layers) {img = findElement(n,0);}
                         else {img = d.images[n];}
                     }
                     if (!img && d.getElementById) {img = d.getElementById(n);}
                      if (!img && d.getElementsByName) {
                            var elms = d.getElementsByName(n);
                                if (elms) {
                                   for (j=0;j<elms.length;j++) {
                                         if (elms[j].src) {img = elms[j]; break;}
                                        }
                             }
                     }
               
        	if (img) {img.src = array[i+1];}
              }
     }
}
function changeImages() {
       changeImagesArray(changeImages.arguments);
}