var currentTab = null;

function showTab(id) {
	if (currentTab != null) {
		document.getElementById(currentTab).style.display = 'none';
		document.getElementById('tab-' + currentTab).className = '';
	}

	currentTab = id;

	document.getElementById(currentTab).style.display = 'block';
	document.getElementById('tab-' + currentTab).className = 'current';
}

window.onload = function() {
	if (location.hash.length > 1)
		showTab(location.hash.substr(1));
}