function swapTab(tabOn,tabOff1,tabOff2) {
		document.getElementById(tabOn).style.display = "block";
		document.getElementById("tab-"+tabOn).className = "selected-tab";
		document.getElementById(tabOff1).style.display = "none";
		document.getElementById("tab-"+tabOff1).className = "not-selected-tab";
		document.getElementById(tabOff2).style.display = "none";
		document.getElementById("tab-"+tabOff2).className = "not-selected-tab";
	}