function contexte(ident)
{
	if (document.getElementById('contexte_citation_'+ ident).style.display=='block') {
		document.getElementById('contexte_citation_'+ ident).style.display='none';
		document.getElementById('supplement_'+ ident).style.border='1px solid #FFFFFF';
	} else {
		document.getElementById('contexte_citation_'+ ident).style.display='block';
		document.getElementById('supplement_'+ ident).style.border='1px solid #9A7D18';
	}
}