var	showSection=1;
function swapSection(secid, flag) {
	var home = document.getElementById("sec1");
	var last = document.getElementById("sec"+showSection);
	var curr = document.getElementById("sec"+secid);
	if (flag) {
		var pos=YAHOO.util.Dom.getXY("sec1");
		YAHOO.util.Dom.setXY("sec"+secid,pos);
		last.style.visibility="hidden";
		curr.style.visibility="visible";
		showSection=secid;
	} else {
		curr.style.visibility="hidden";
		home.style.visibility="visible";
		showSection=1;
	}
}