function setTab(On,Off) {
		var tabOn = document.getElementById('pt'+On);
		var tabOff = document.getElementById('pt'+Off);
		var conOn = document.getElementById('pc'+On);
		var conOff = document.getElementById('pc'+Off);
		
		tabOn.className = "tab";
		tabOff.className = "tab last";
		
		conOn.style.display = "block";
		conOff.style.display = "none";
		
		//alert(tabOn);
}