<!-- // hide

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) {
    nav_doc_over = newImage("graphics/nav_doc_over.gif");
	nav_img_over = newImage("graphics/nav_img_over.gif");
	nav_new_over = newImage("graphics/nav_new_over.gif");
	nav_man_over = newImage("graphics/nav_man_over.gif");
	nav_hom_over = newImage("graphics/nav_hom_over.gif");
	
	nav_inf_over = newImage("graphics/nav_inf_over.gif");
		nav_img_over = newImage("graphics/nav_img_over.gif");
		nav_adm_over = newImage("graphics/nav_adm_over.gif");
		nav_new_over = newImage("graphics/nav_new_over.gif");
		nav_hom_over = newImage("graphics/nav_hom_over.gif");
    preloadFlag = true;
  }
}

//-->