if(document.images) {
 // preload
  b_home = new Image; b_home.src = "/img/b_home_.gif";
  b_mail = new Image; b_mail.src = "/img/b_mail_.gif";
  b_sitemap = new Image; b_sitemap.src = "/img/b_tree_.gif";
  b_web = new Image; b_web.src = "/img/b_web_.gif";
  b_print = new Image; b_print.src = "/img/b_print_.gif";
  b_graph = new Image; b_graph.src = "/img/b_graph_.gif";
  b1 = new Image; b1.src = "/img/b1_.gif";
  b2 = new Image; b2.src = "/img/b2_.gif";
  b3 = new Image; b3.src = "/img/b3_.gif";
  b4 = new Image; b4.src = "/img/b4_.gif";
  b5 = new Image; b5.src = "/img/b5_.gif";
  b6 = new Image; b6.src = "/img/b6_.gif";
}

function GoBarGo() {
 location.href = document.F.GoBar.value;
}


function roll(iName, iPath) {
  document.images[iName].src = iPath;
}