var tabs = new Object;
function tabSwitch(tab, name, id)
{
	var old = tabs[name];
	if (old)
	{
		old.block.style.display = 'none';
		old.tab.className = 'item';
	}
	tabs[name] = {'block': document.getElementById('Tab'+name+id), 'tab': tab};
	tabs[name].block.style.display = 'block';
	tabs[name].tab.className = 'item selected';
	tabs[name].active = id;
}