function showSpecial(id, allIDs){
	var special = document.getElementById('special-' + id);
	if(!special) return;

	addClass(special, 'on');
	var tab = document.getElementById('special_tab-' + id);
	if(tab) addClass(tab, 'on');
		
	for(var i=0; i<allIDs.length; i++){
		if(allIDs[i]==id) continue;

		var other = document.getElementById('special-' + allIDs[i]);
		if(other)
			removeClass(other, 'on');

		var otherTab = document.getElementById('special_tab-' + allIDs[i]);
		if(otherTab)
			removeClass(otherTab, 'on');
	}
}