function validate()
{
var nome=document.getElementById("nome").value
var nome=document.getElementById("ndest").value
var email=document.getElementById("email").value
var email=document.getElementById("emdest").value
submitOK="true"

document.getElementById("msg_erro1").className = "";
document.getElementById("labelnome").className = "obrigatorio";
document.getElementById("labelndest").className = "obrigatorio";
document.getElementById("labelemail").className = "obrigatorio";
document.getElementById("labelemdest").className = "obrigatorio";
document.getElementById("nome").className = "contato_form";
document.getElementById("nome2").className = "contato_form";
document.getElementById("email").className = "contato_form";
document.getElementById("email2").className = "contato_form";


if (nome.length<1) 
 {
document.getElementById("msg_erro1").className = "on";
document.getElementById("labelnome").className = "on";
document.getElementById("nome").className = "on";
document.getElementById("nome").focus()
 submitOK="false"
 }
else
if (ndest.length<1) 
 {
document.getElementById("msg_erro1").className = "on";
document.getElementById("labelndest").className = "on";
document.getElementById("ndest").className = "on";
document.getElementById("ndest").focus()
 submitOK="false"
 }
else
if (email.length<1) 
 {
document.getElementById("msg_erro1").className = "on";
document.getElementById("labelemail").className = "on";
document.getElementById("email").className = "on";
document.getElementById("email").focus()
 submitOK="false"
 }
else
if (emdest.length<1) 
 {
document.getElementById("msg_erro1").className = "on";
document.getElementById("labelemdest").className = "on";
document.getElementById("emdest").className = "on";
document.getElementById("emdest").focus()
 submitOK="false"
 }

if (submitOK=="false")
 {
 return false
 }
}