// JavaScript Document
function valid(){
var user = document.theform.user.value
var userLength = document.theform.user.value.length
var senha = document.theform.senha.value
var senhaLength = document.theform.senha.value.length
if(userLength<5 || user==""){
alert("Nome de usuário tem que conter de 5-10 caracteres");
document.theform.user.focus()
return false
	}
	if(senhaLength!=6 || senha==""){
alert("Senha tem que conter 6 caracteres");
document.theform.senha.focus()
return false
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,'top=50,left=80,' + features);
}
function popup() {
  window.open('popup.htm','','width=587,height=420');
}

function saudacao() {
var today = new Date();
var hrs = today.getHours();

if (hrs < 12)
document.write("Bom Dia!");

else if (hrs < 18)
document.write("Boa Tarde!");
else
document.write("Boa Noite!");
}

<!-- Begin
function scrollit_r2l(seed)
{
  var m1  = "  baladas, festas, raves     "; 
  var m2  = "    ....    ";
  var m3  = "  sua zorra passa aqui!      ";
  var m4  = "  obrigado pela visita!      ";
  var msg=m1+m2+m3+m2+m4+m2;
  var out = "Zorra Zorra                ";
  var c   = 1;
  if (seed > 100) {
    seed--;
    var cmd="scrollit_r2l(" + seed + ")";
    timerTwo=window.setTimeout(cmd,100);
  }
  else if (seed <= 100 && seed > 0) {
    for (c=0 ; c < seed ; c++) {
      out+=" ";
    }
    out+=msg;
    seed--;
    var cmd="scrollit_r2l(" + seed + ")";
    window.status=out;
    timerTwo=window.setTimeout(cmd,100);
  }
  else if (seed <= 0) {
    if (-seed < msg.length) {
      out+=msg.substring(-seed,msg.length);
      seed--;
      var cmd="scrollit_r2l(" + seed + ")";
      window.status=out;
      timerTwo=window.setTimeout(cmd,100);
    }
    else {
      window.status=" ";
      timerTwo=window.setTimeout("scrollit_r2l(100)",75);
    }
  }
}
//  End -->