var var_cookieid = "";var var_cookie_domain = "";var var_cookie_path   = "/";function my_getcookie(name){cname = var_cookieid + name + '=';cpos  = document.cookie.indexOf(cname);if (cpos != -1){cstart = cpos + cname.length;cend   = document.cookie.indexOf(";", cstart);if (cend == -1){cend = document.cookie.length;}return unescape(document.cookie.substring(cstart, cend));}return null;}function my_setcookie(name, value, sticky){expire = "";domain = "";path   = "/";if (sticky){expire = "; expires=Wed, 1 Jan 2020 00:00:00 GMT";}if (var_cookie_domain != ""){domain = '; domain=' + var_cookie_domain;}if (var_cookie_path != ""){path = var_cookie_path;}document.cookie = var_cookieid + name + "=" + value + "; path=" + path + expire + domain + ';';}function my_getbyid(id){itm = null;if (document.getElementById){itm = document.getElementById(id);}else if (document.all){itm = document.all[id];}else if (document.layers){itm = document.layers[id];}return itm;}function my_hide_div(itm){if (!itm) return;itm.style.display = "none";}function my_show_div(itm){if (!itm) return;itm.style.display = "";}function togglecategory(fid, add){saved = new Array();clean = new Array();if (tmp = my_getcookie('collapseprefs')){saved = tmp.split(",");}for(i = 0 ; i < saved.length; i++){if (saved[i] != fid && saved[i] != ""){clean[clean.length] = saved[i];}}if (add){clean[ clean.length ] = fid;my_show_div(my_getbyid('ido'+fid));my_hide_div(my_getbyid('idx'+fid));}else{my_show_div(my_getbyid( 'idx'+fid));my_hide_div(my_getbyid( 'ido'+fid));}my_setcookie('collapseprefs', clean.join(','), 1);}