function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	}
	else
		begin += 2;
	var end = document.cookie.indexOf(";", begin);
	if (end == -1)
		end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}

// LIST ALL SHOW/HIDE ELEMENT IDS HERE
menus_array = new Array ('menu_home', 'menu_history', 'menu_making', 'menu_styles', 'menu_fabrics', 'menu_patterns', 'menu_tools', 'menu_care', 'menu_display', 'menu_sitemap');
menus_status_array = new Array ();// remembers state of switches
img_close = '/images/expandbutton-close.gif';
img_open = '/images/expandbutton-open.gif';

function showHideSwitch (theid,root) {
	if (document.getElementById) {
		var switch_id = document.getElementById(theid);
		var imgid = theid+'Button';
		var button_id = document.getElementById(imgid);
		if( switch_id != null && button_id != null ) {
			if (menus_status_array[theid] != 'show') {
				button_id.setAttribute ('src', img_close);
				switch_id.className = 'showSwitch';
				menus_status_array[theid] = 'show';
				document.cookie = theid+'=show;path=/';
			}else{
				button_id.setAttribute ('src', img_open);
				switch_id.className = 'hideSwitch';
				menus_status_array[theid] = 'hide';
				document.cookie = theid+'=hide;path=/';
			}
		}
	}
}
function resetMenu (root) { // read cookies and set menus to last visited state
	img_close = root + img_close;
	img_open = root + img_open;
	if (document.getElementById) {
		for (var i=0; i<menus_array.length; i++) {
			var idname = menus_array[i];
			var switch_id = document.getElementById(idname);
			var imgid = idname+'Button';
			var button_id = document.getElementById(imgid);
			if( switch_id != null && button_id != null ) {
				if (getCookie(idname) == 'show') {
					button_id.setAttribute ('src', img_close);
					switch_id.className = 'showSwitch';
					menus_status_array [idname] = 'show';
				}else{
					button_id.setAttribute ('src', img_open);
					switch_id.className = 'hideSwitch';
					menus_status_array [idname] = 'hide';
				}
			}
		}
	}
}