function toggleCartNav(id) {

	var divs = document.getElementsByTagName("div");
	for (i = 0; i < divs.length; i++) {
		if (divs[i].id.indexOf("cart-sub-") != -1 && divs[i].style.display != "none") {
			Effect.toggle(divs[i].id,'blind');
			document.getElementById(divs[i].id+"-arrow-d").style.visibility = "visible";
			document.getElementById(divs[i].id+"-arrow-l").style.visibility = "hidden";
		}
	}
	
	var divid = "cart-sub-" + id;
	Effect.toggle(divid,'blind');
	
	if (document.getElementById(divid).style.display == "none") {
		document.getElementById(divid+"-arrow-d").style.visibility = "hidden";
		document.getElementById(divid+"-arrow-l").style.visibility = "visible";
	}
	else {
		document.getElementById(divid+"-arrow-d").style.visibility = "visible";
		document.getElementById(divid+"-arrow-l").style.visibility = "hidden";
	}
	
	return false;
}