function showItem(trgtId, tab) {
	var test = document.getElementById('mabContainer');
	var dsplItems = document.getElementById('mabContainer').getElementsByTagName('div');
	for (var i=0;i<dsplItems.length;i++) {
		if (dsplItems[i].className == "infoTab") {
			dsplItems[i].style.display='none';
		}
	}
	document.getElementById(trgtId).style.display='block';
	
	// change id on tabs
	var tabs = document.getElementById('FAKtabs').getElementsByTagName('li');
	for (var i=0;i<tabs.length;i++) {
		if (tabs[i].id == "activeTab") {
			tabs[i].id = "";
		}
	}
	tab.id = 'activeTab';
}