function clear_text()
{
	document.newsletter.email.value='';
}

function affiche_carte(theURL,winName,hauteur) 
{ 
	features= 'width=340,toolbar=no, location=no, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=yes, height='+hauteur; 
	window.open(theURL,winName,features); 
}