function valider()
{
  Jnom = document.formcontact.nom.value
  Jpays = document.formcontact.pays.value
  Jemail = document.formcontact.email.value
  Jsujet = document.formcontact.sujet.value
  Jmessage = document.formcontact.message.value
  Jnomlong = Jnom.length
  Jpayslong = Jpays.length
  Jemaillong = Jemail.length
  Jsujetlong = Jsujet.length
  Jmessagelong = Jmessage.length
  var bOK = false
  for(var i = 0;i<Jnomlong;i++)
  {
    if(Jnom.charAt(i) != " ") 
    {
      bOK = true
      break
    }
  }
  if(bOK == false)
  {
    alert("You need to fill out your full name!")
    document.formcontact.nom.focus()
    return false
  }
  var bOK = false
  for(var i = 0;i<Jpayslong;i++)
  {
    if(Jpays.charAt(i) != " ") 
    {
      bOK = true
      break
    }
  }
  if(bOK == false)
  {
    alert("You need to enter your country!")
    document.formcontact.pays.focus()
    return false
  }
  if(Jemaillong == 0)
  {
    alert("You need to enter your e-mail address!")
    document.formcontact.email.focus()
    return false
  }
  bOK = false
  var bAmp = false
  var bPeriod = false
  for(var i = 0;i<Jemaillong;i++)
  {
    if(bOK==false)
    {
      if(Jemail.charAt(i) != " " && Jemail.charAt(i) != "." && Jemail.charAt(i) != "@") 
      {
	bOK = true
	if(bAmp== true && bPeriod== true) break
      }
    }
    if(Jemail.charAt(i)=="@")
    {
      bAmp = true
      if(bPeriod==true && bOK==true) break
    }
    if(Jemail.charAt(i)==".")
    {
      bPeriod = true
      if(bAmp==true && bOK==true) break
    }
  }
  if(bOK == false || bAmp == false || bPeriod == false)
  {
    alert("You have entered an invalid e-mail address!")
    document.formcontact.email.focus()
    return false
  }
  var bOK = false
  for(var i = 0;i<Jsujetlong;i++)
  {
    if(Jsujet.charAt(i) != " ") 
    {
      bOK = true
      break
    }
  }
  if(bOK == false)
  {
    alert("You need to enter the subject of your message!")
    document.formcontact.sujet.focus()
    return false
  }
  var bOK = false
  for(var i = 0;i<Jmessagelong;i++)
  {
    if(Jmessage.charAt(i) != " ") 
    {
      bOK = true
      break
    }
  }
  if(bOK == false)
  {
    alert("You need to enter a message!")
    document.formcontact.message.focus()
    return false
  }
}