function toggleSidePanel(n) {
	var el = document.getElementById('patternSidePanel').className;
	var classNum = el.replace(/^patternSidePanel([0-9]+)$/, "$1");
	document.getElementById('patternSidePanel').className = 'patternSidePanel'+n;
	toggleDivOff('payPalCart'+classNum);
	toggleDivOn('payPalCart'+n);
}
function swapOrderForm(n) {
	document.addForm.os1.options[n-1].selected = true;
}
function toggleSidePanelChair() {
	var el = document.getElementById('patternSidePanelChair').className;
	var classNum = el.replace(/^patternSidePanelChair([0-9]+)$/, "$1");
	if (classNum == 3) {
		classNum = 1;
	} else {
		classNum++;
	}
	document.getElementById('patternSidePanelChair').className = 'patternSidePanelChair'+classNum;
}
function toggleZoomView() {
	var el = document.getElementById('patternSidePanel').className;
	var classNum = el.replace(/^patternSidePanel([0-9]+)$/, "$1");
	document.getElementById('zoomView').className = 'zoomView'+classNum;
	var z = document.getElementById('zoomView');
	if (z.style.display != 'block') {
		z.style.display = 'block';
	} else {
		z.style.display = 'none';
	}
}