// JavaScript Document

function limpaName() { if (document.contactform.name.value == "Nome") { document.contactform.name.value=''; } }

function checkName() { if (document.contactform.name.value == "") { document.contactform.name.value="Nome"; } }

function limpaPromo() { if (document.contactform.promocode.value == "Código promocional?") { document.contactform.promocode.value=''; } }

function checkPromo() { if (document.contactform.promocode.value == "") { document.contactform.promocode.value="Código promocional?"; } }


function limpaEmail() { if (document.contactform.email.value == "E-mail") { document.contactform.email.value=''; }
if (document.contactform.email.value == "Inválido!") { document.contactform.email.value=''; } }

function checkEmail() { 
  if (document.contactform.email.value == "") { 
    document.contactform.email.value="E-mail"; 
    return false; 
  }
  parte1 = document.contactform.email.value.indexOf("@");
  parte2 = document.contactform.email.value.indexOf(".");
  parte3 = document.contactform.email.value.length;
  if (!(parte1 >= 3 && parte2 >= 2  && parte3 >= 9)) {
    document.contactform.email.value='Inválido!';
    document.contactform.email.style.backgroundColor = '#FFCFE1'; 
    return false;
  }
  //Se for válido na hora que muda o foco:
  else { document.contactform.email.style.backgroundColor = '#ffffff'; }
  }

function checkSite() { 
  if (document.contactform.site.value == "") {
    document.contactform.site.value="Blog atual (se houver)";
  }
}