$(document).ready(function() {
  var info = "";
  var showing = "";
  $(".hide").hide();
  $("li a").click(function() {
    info = "#" + $(this).attr("title");
    if(info!="#") {
      $(".hide").hide();
      if(info!=showing)
        $(info).show();
      showing = info;
    }
  });
});

/* not needed for instructions.
function protect(frm) {
  var tmp;
  var x = document.getElementById(frm);
  for(var i=0; i<x.length; i++) {
    tmp = x.elements[i];
    if(tmp.name=="pass" || tmp.name=="pass2")
      tmp.value = hex_sha256(tmp.value);
    if(tmp.name=="js_on")
      tmp.value = "yes";
  }
}
*/