function selectTab( selTabNum ) {
	if (!parseInt(selTabNum) || selTabNum < 1) {
		selTabNum = 1;
	}
	for (var i=1; i<4; i++) {
		var tabObj = document.getElementById("newtab" + i);
		if (tabObj) tabObj.className = (i == selTabNum) ? "newtab sel" : "newtab";

		var paneObj = document.getElementById( "pane" + i);
		if (paneObj) paneObj.className = (i == selTabNum) ? "pane sel" : "pane";
	}
}