function loadBack()
{
 if (document.getElementById('backimg').value!="")
 {
  document.body.style.background='url(/background/'+unescape(document.getElementById('backimg').value)+')';
  document.body.style.backgroundRepeat='no-repeat';
 }
}

/*
//=============================================================================
*/

function checkPass()
{
  if ((oobj("gerenciamento_seguro").value.trim().toUpperCase() != "S") || (oobj(4).value.trim() == ""))
  {
    oobj ("seguranca").innerHTML = "";
    return false;
  }

  var pass  = oobj(4).value.trim().toUpperCase();
  var nivel = 0;
  var i     = 0;
  var num   = 0;
  var let   = 0;
  var cha   = 0;
  var tam   = 0;

  while (true)
  {
    if (i == 8) break;

    if ((pass.substr(i,1) == 'A') || (pass.substr(i,1) == 'B') || (pass.substr(i,1) == 'C') || (pass.substr(i,1) == 'D')
    ||  (pass.substr(i,1) == 'E') || (pass.substr(i,1) == 'F') || (pass.substr(i,1) == 'G') || (pass.substr(i,1) == 'H')
    ||  (pass.substr(i,1) == 'I') || (pass.substr(i,1) == 'J') || (pass.substr(i,1) == 'K') || (pass.substr(i,1) == 'L')
    ||  (pass.substr(i,1) == 'M') || (pass.substr(i,1) == 'N') || (pass.substr(i,1) == 'O') || (pass.substr(i,1) == 'P')
    ||  (pass.substr(i,1) == 'Q') || (pass.substr(i,1) == 'R') || (pass.substr(i,1) == 'S') || (pass.substr(i,1) == 'T')
    ||  (pass.substr(i,1) == 'U') || (pass.substr(i,1) == 'V') || (pass.substr(i,1) == 'W') || (pass.substr(i,1) == 'X')
    ||  (pass.substr(i,1) == 'Y') || (pass.substr(i,1) == 'Z'))
      let = 1;

    if ((pass.substr(i,1) == '0') || (pass.substr(i,1) == '1') || (pass.substr(i,1) == '2') || (pass.substr(i,1) == '3')
    ||  (pass.substr(i,1) == '4') || (pass.substr(i,1) == '5') || (pass.substr(i,1) == '6') || (pass.substr(i,1) == '7')
    ||  (pass.substr(i,1) == '8') || (pass.substr(i,1) == '9'))
      num = 1;

    if ((pass.substr(i,1) == '!') || (pass.substr(i,1) == '@') || (pass.substr(i,1) == '#') || (pass.substr(i,1) == '$')
    ||  (pass.substr(i,1) == '%') || (pass.substr(i,1) == '-') || (pass.substr(i,1) == '&') || (pass.substr(i,1) == '*')
    ||  (pass.substr(i,1) == '(') || (pass.substr(i,1) == ')') || (pass.substr(i,1) == '_') || (pass.substr(i,1) == '=')
    ||  (pass.substr(i,1) == '<') || (pass.substr(i,1) == '>') || (pass.substr(i,1) == '{') || (pass.substr(i,1) == '}')
    ||  (pass.substr(i,1) == '[') || (pass.substr(i,1) == ']') || (pass.substr(i,1) == '?') || (pass.substr(i,1) == ':')
    ||  (pass.substr(i,1) == '.') || (pass.substr(i,1) == ';') || (pass.substr(i,1) == ','))
      cha = 1;

    i++;
  }

  if (pass.length == 8) tam = 1;

  nivel = num + let + cha + tam;

  if (nivel < 1) nivel = 1;

  oobj("seguranca").innerHTML = "N&iacute;vel de seguran&ccedil;a: &nbsp;";

  if (nivel == 1) oobj("seguranca").innerHTML += "<font color=red>Muito Baixo</font>";
  if (nivel == 2) oobj("seguranca").innerHTML += "<font color=orange>Baixo</font>";
  if (nivel == 3) oobj("seguranca").innerHTML += "<font color=blue>M&eacute;dio</font>";
  if (nivel == 4) oobj("seguranca").innerHTML += "<font color=green>Alto</font>";
}