var butruso=new Image();
var butrusp=new Image();
var butengo=new Image();
var butengp=new Image();


function NavPic() {
  butruso.src="/graphics/butruso.jpg";
  butrusp.src="/graphics/butrusp.jpg";
  butengo.src="/graphics/butengo.jpg";
  butengp.src="/graphics/butengp.jpg";
}


function blLangPic(item,action) {
  if (action) {
    document.images["but"+item].src="/graphics/but"+item+"o.jpg";
  }
  else {
    document.images["but"+item].src="/graphics/but"+item+"p.jpg";
  }
	return true;
}