function switchNav(id1,id2){
  showDiv(id1);
  hideDiv(id2);
}
function showDiv(id){
  document.getElementById(id).style.display = 'block';
}
function hideDiv(id){
  document.getElementById(id).style.display = 'none';
}

// supporting the child windows control
var citiRewardsOpenWins = new Array();
var citiRewardsOpenWinsCount = 0;

function citiRewardsOpenChildWin(url, winName, winProp) {
	var winHandle = window.open(url, winName, winProp);
	citiRewardsAddWinToList(winHandle);
	winHandle.focus();
}

function citiRewardsAddWinToList(winHandle) {
	citiRewardsOpenWins[citiRewardsOpenWinsCount++] = winHandle;
}

function citiRewardsCloseAndParentWin() {
	opener.window.close();
	window.opener = 'x';
	window.close();
}

function citiRewardsCloseAndParentWinNonWarning() {
	opener.window.opener = 'y';
	opener.window.close();
	window.opener = 'x';
	window.close();
}

function citiRewardsCloseButParent() {
	window.opener = 'x';
	window.close();
}

function closeCitiRewardsOpenWins() {
	var i = 0;
	for (i = 0; i < citiRewardsOpenWins.length; i++) {
		if (citiRewardsOpenWins[i]) {
			citiRewardsOpenWins[i].close();
		}
	}
}