function showTab(tab) {
	var e = document.getElementById(tab);
	var displayTab = document.getElementById('displayTab');
	displayTab.innerHTML = e.innerHTML;
	var t = document.getElementById('tabBlock').childNodes;
	for(x in t){
		if(t[x].id) {
			if(t[x].id == tab+'Tab') {document.getElementById(t[x].id).className = 'resourceTab tabSelected';}
			else {document.getElementById(t[x].id).className = 'resourceTab tabUnselected';}
		}
	}
}