var old_id = 1;
function news(id) {
	if (id == old_id) return;
    $("div.news").slideUp();
    $("#n"+id).slideDown();
	old_id = id;
}

var old_id2 = 1;
function news2(id2) {
	if (id2 == old_id2) return;
    $("div.news2").slideUp();
    $("#m"+id2).slideDown();
	old_id2 = id2;
}

function changeClass(id, sel) {
	if ( $('#'+sel).val() == 0 || $('#'+sel).val() == '-' )
		$('#'+id).addClass('marked');
	else
		$('#'+id).removeClass('marked');
}

function changeClass_extra(id, sel) {
if ( $('#'+sel).val() == 0 || $('#'+sel).val() == '-' )
    $('#'+id).addClass('marked_extra');
else
    $('#'+id).removeClass('marked_extra');
}