function toggle( id, add ){
	if (add){
		show_div( getbyid( 'close_'+id  ) );
		hide_div( getbyid( 'ouvert_'+id  ) );
	}
	else{
		show_div( getbyid( 'ouvert_'+id  ) );
		hide_div( getbyid( 'close_'+id  ) );
	}
}

function hide_div(itm){
	itm.style.display = "none";
}

function show_div(itm){
	itm.style.display = "";
}

function getbyid(id)
{
	itm = null;
	
	if (document.getElementById){
		itm = document.getElementById(id);
	}
	else if (document.all){
		itm = document.all[id];
	}
	else if (document.layers){
		itm = document.layers[id];
	}
	
	return itm;
}