function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function Form_Validator(theForm)
{

var alertsay = ""; // define for long lines
// alertsay is not necessary for your code,
// but I need to break my lines in multiple lines
// so the code won't extend off the edge of the page

// check to see if the field is blank
if (theForm.nome.value == "")
{
alert("Você deve preencher seu nome.");
theForm.nome.focus();
return (false);
}
/*
// require at least 3 characters be entered
if (theForm.nome.value.length < 3)
{
alert("Por favor, preencha pelo menos 3 caracteres no campo \"Nome\".");
theForm.nome.focus();
return (false);
}
*/
// check if email field is blank
if (theForm.email.value == "")
{
alert("Por favor, digite seu e-mail.");
theForm.email.focus();
return (false);
}


// test if valid email address, must have @ and .
var checkEmail = "@.";
var checkStr = theForm.email.value;
var EmailValid = false;
var EmailAt = false;
var EmailPeriod = false;
for (i = 0;  i < checkStr.length;  i++)
{
ch = checkStr.charAt(i);
for (j = 0;  j < checkEmail.length;  j++)
{
if (ch == checkEmail.charAt(j) && ch == "@")
EmailAt = true;
if (ch == checkEmail.charAt(j) && ch == ".")
EmailPeriod = true;
          if (EmailAt && EmailPeriod)
                break;
          if (j == checkEmail.length)
                break;
        }
        // if both the @ and . were in the string
if (EmailAt && EmailPeriod)
{
                EmailValid = true
                break;
        }
}
if (!EmailValid)
{
alert("O e-mail digitado não é válido.");
theForm.email.focus();
return (false);
}
/*
// check if numbers field is blank
if (theForm.fone.value == "")
{
alert("Por favor, digite seu telefone.");
theForm.fone.focus();
return (false);
}
*/

// check to see if the field is blank
/*if (theForm.assunto.value == "")
{
alert("Você deve preencher o assunto.");
theForm.assunto.focus();
return (false);
}*/

// allow only 150 characters maximum in the comment field
/*if (theForm.assunto.value.length > 150)
{
alert("Por favor, digite no máximo 150 caracteres no campo assunto.");
theForm.assunto.focus();
return (false);
}
*/
// because this is a sample page, don't allow to exit to the post action
// comes in handy when you are testing the form validations and don't
// wish to exit the page
//alertsay = "All Validations have succeeded. "
//alertsay = alertsay + "This is just a test page. There is no submission page."
//alert(alertsay);
return (true);
// replace the above with return(true); if you have a valid form to submit to
}


function Form2_Validator(theForm)
{

var alertsay = ""; // define for long lines
// alertsay is not necessary for your code,
// but I need to break my lines in multiple lines
// so the code won't extend off the edge of the page

// check to see if the field is blank
if (theForm.nome.value == "")
{
alert("Você deve preencher seu nome.");
theForm.nome.focus();
return (false);
}
/*
// require at least 3 characters be entered
if (theForm.nome.value.length < 3)
{
alert("Por favor, preencha pelo menos 3 caracteres no campo \"Nome\".");
theForm.nome.focus();
return (false);
}
*/
// check if email field is blank
if (theForm.email.value == "")
{
alert("Por favor, digite seu e-mail.");
theForm.email.focus();
return (false);
}


// test if valid email address, must have @ and .
var checkEmail = "@.";
var checkStr = theForm.email.value;
var EmailValid = false;
var EmailAt = false;
var EmailPeriod = false;
for (i = 0;  i < checkStr.length;  i++)
{
ch = checkStr.charAt(i);
for (j = 0;  j < checkEmail.length;  j++)
{
if (ch == checkEmail.charAt(j) && ch == "@")
EmailAt = true;
if (ch == checkEmail.charAt(j) && ch == ".")
EmailPeriod = true;
          if (EmailAt && EmailPeriod)
                break;
          if (j == checkEmail.length)
                break;
        }
        // if both the @ and . were in the string
if (EmailAt && EmailPeriod)
{
                EmailValid = true
                break;
        }
}
if (!EmailValid)
{
alert("O e-mail digitado não é válido.");
theForm.email.focus();
return (false);
}
/*
// check if numbers field is blank
if (theForm.fone.value == "")
{
alert("Por favor, digite seu telefone.");
theForm.fone.focus();
return (false);
}
*/

// check to see if the field is blank
if (theForm.assunto.value == "")
{
alert("Você deve preencher o assunto.");
theForm.assunto.focus();
return (false);
}

// allow only 150 characters maximum in the comment field
/*if (theForm.assunto.value.length > 150)
{
alert("Por favor, digite no máximo 150 caracteres no campo assunto.");
theForm.assunto.focus();
return (false);
}
*/
// because this is a sample page, don't allow to exit to the post action
// comes in handy when you are testing the form validations and don't
// wish to exit the page
//alertsay = "All Validations have succeeded. "
//alertsay = alertsay + "This is just a test page. There is no submission page."
//alert(alertsay);
return (true);
// replace the above with return(true); if you have a valid form to submit to
}