/*

 * Validar Formulário - version 1.0b.
 * By vitor britto (http://www.vitorbritto.com.br)
 * Copyright (c) 2009 vitor britto
 
*/

// Dados obrigatórios do formulário

function validateFormOnSubmit(theForm) {
var reason = "";

  reason += validateUsername(theForm.nome);
  reason += validateEmail(theForm.email);
  reason += validatePhone(theForm.telefone);
  reason += validateClient(theForm.empresa);
  reason += validateCity(theForm.cidade);
  reason += validateState(theForm.estado);
  reason += validateEmpty(theForm.form);
      
  if (reason != "") {
    alert("Preencha os campos abaixo:\n" + reason);
    return false;
  }

  return true;
}

// VAZIO

function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = '#d84056'; 
        error = "Preencha os campos corretamente. Obrigado.\n"
    } else {
        fld.style.background = '#ccd840';
    }
    return error;  
}

// NOME

function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = '#d84056'; 
        error = "Favor, inserir seu nome.\n";
    } else {
        fld.style.background = '#ccd840';
    }
    return error;
}

// EMAIL

function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}
function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = '#d84056';
        error = "Favor, inserir seu email.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = '#d84056';
        error = "Favor, inserir um email válido.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#d84056';
        error = "Este email não é válido! Favor, inserir um email válido.\n";
    } else {
        fld.style.background = '#ccd840';
    }
    return error;
}
function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

   if (fld.value == "") {
        error = "You didn't enter a phone number.\n";
        fld.style.background = 'Yellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'Yellow';
    }
    return error;
}


// Mascara de formulário (CNPJ,CPF,TELEFONE,CELULAR)


function txtBoxFormat(objForm, strField, sMask, evtKeyPress) {
     var i, nCount, sValue, fldLen, mskLen,bolMask, sCod, nTecla;

     if(document.all) { // Internet Explorer
       nTecla = evtKeyPress.keyCode; }
     else if(document.layers) { // Nestcape
       nTecla = evtKeyPress.which;
     }

     sValue = objForm[strField].value;

     // Limpa todos os caracteres de formatação que
     // já estiverem no campo.
     sValue = sValue.toString().replace( "-", "" );
     sValue = sValue.toString().replace( "-", "" );
     sValue = sValue.toString().replace( ".", "" );
     sValue = sValue.toString().replace( ".", "" );
     sValue = sValue.toString().replace( "/", "" );
     sValue = sValue.toString().replace( "/", "" );
     sValue = sValue.toString().replace( "(", "" );
     sValue = sValue.toString().replace( "(", "" );
     sValue = sValue.toString().replace( ")", "" );
     sValue = sValue.toString().replace( ")", "" );
     sValue = sValue.toString().replace( " ", "" );
     sValue = sValue.toString().replace( " ", "" );
     fldLen = sValue.length;
     mskLen = sMask.length;

     i = 0;
     nCount = 0;
     sCod = "";
     mskLen = fldLen;

     while (i <= mskLen) {
       bolMask = ((sMask.charAt(i) == "-") || (sMask.charAt(i) == ".") || (sMask.charAt(i) == "/"))
       bolMask = bolMask || ((sMask.charAt(i) == "(") || (sMask.charAt(i) == ")") || (sMask.charAt(i) == " "))

       if (bolMask) {
         sCod += sMask.charAt(i);
         mskLen++; }
       else {
         sCod += sValue.charAt(nCount);
         nCount++;
       }

       i++;
     }

     objForm[strField].value = sCod;

     if (nTecla != 8) { // backspace
       if (sMask.charAt(i-1) == "9") { // apenas números...
         return ((nTecla > 47) && (nTecla < 58)); } // números de 0 a 9
       else { // qualquer caracter...
         return true;
       } }
     else {
       return true;
     }
   }