function touche(){
	if (window.event.keyCode==13)
	{
	add_mail()
	} 
}

function add_mail() {

  val=email.value
  var Option = 'width=300,height=200'
  var X = (screen.width - 300)/2
  X -= 10
  var Y = (screen.height - 200) / 2
  Y -= 30
  Option += ',left=' + X + ',screenX=' + X
  Option += ',top=' + Y + ',screenY=' + Y
  Fenetre = window.open('http://www.kekette.com/-amateur/add_mail.php?mail='+val,'Mail',Option)

}