function validForm(formulario)
{
 var isNotOk = '';

 //validate comments
 var comments = formulario.fcomments.value.length;
 if (comments == 0)
 {
  formulario.fcomments.style.border="1px solid #ff0000";
  formulario.fcomments.focus();
  isNotOk=true;
 }
 else
 {
  formulario.fcomments.style.border="1px solid #bbbbbb";
 }
	
 //validate email address
 var vmail = formulario.femail.value;
 if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(vmail))
 {
  formulario.femail.style.border="1px solid #bbbbbb";
 }
 else
 {
  if (vmail != "")
  {
   formulario.femail.value="Ingrese un email valido";
   formulario.femail.style.border="1px solid #ff0000";
   formulario.femail.focus();
   isNotOk=true;
  }
 }

 //validate email
 var email = formulario.femail.value;
 if (email == "")
 {
  formulario.femail.style.border="1px solid #ff0000";
  formulario.femail.focus();
  isNotOk=true;
 } 

 //validate name
 var name = formulario.fname.value;
 if (name=="")
 {
  formulario.fname.style.border="1px solid #ff0000";
  formulario.fname.focus();
  isNotOk=true;
 }
 else
 {
  formulario.fname.style.border="1px solid #bbbbbb";
 }
 
 if (isNotOk)
 {
  return false
 }
 else
 {
  desplegar('frm-feedback');
  ocultar('gracias-feedback');
  return true
 }
}

function contactForm(formulario)
{
 var isNotOk = '';
 
 //validate comments
 var comments = formulario.comments.value.length;
 if (comments == 0)
 {
  formulario.comments.style.border="1px solid #ff0000";
  formulario.comments.focus();
  isNotOk=true;
 }
 else
 {
  formulario.comments.style.border="1px solid #bbbbbb";
 }

 //validate email address
 var vmail = formulario.email.value;
 if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(vmail))
 {
  formulario.email.style.border="1px solid #e2e2e2";
 }
 else
 {
  if (vmail != "")
  {
   formulario.email.value="Ingrese un email valido";
   formulario.email.style.border="1px solid #ff0000";
   formulario.email.focus();
   isNotOk=true;
  }
 }

 //valid email
 var email = formulario.email.value;
 if (email =="")
 {
  formulario.email.style.border="1px solid #ff0000";
  formulario.email.focus();
  isNotOk=true;
 } 

 //valid name
 var name = formulario.name.value;
 if (name=="")
 {
  formulario.name.style.border="1px solid #ff0000";
  formulario.name.focus();
  isNotOk=true;
 }
 else
 {
  formulario.name.style.border="1px solid #e2e2e2";
 }
 
 if (isNotOk)
 {
  return false
 }
 else
 {
  return true
 }
} 

function desplegar(esto)
{
  vista=document.getElementById(esto).style.display;
  if (vista == 'block')
   vista = 'none';
  else
   vista='block';
   
  document.getElementById(esto).style.display = vista;
}

function ocultar(esto)
{
  vista=document.getElementById(esto).style.display;
  if (vista=='block')
   vista='none';
  else
   vista='block';
   
  document.getElementById(esto).style.display = vista;
}