var var_cookieid = "";
var var_cookie_domain = "";
var var_cookie_path   = "/";
// Get cookie
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;}
// Set cookie
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 + ';';}
// Get element by id
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;}
// Toggle category
function togglecategory(fid){saved = new Array();clean = new Array();
// Get any saved info
if (tmp = my_getcookie('collapseprefs'))
saved = tmp.split(",");
// Remove bit if exists
for(i = 0 ; i < saved.length; i++){if (saved[i] != fid && saved[i] != "")clean[clean.length] = saved[i];}
// Add?
if (my_getbyid('box_'+fid).style.display == ""){clean[clean.length] = fid;my_getbyid('box_'+fid).style.display = "none";my_getbyid('img_'+fid).src = my_getbyid('img_'+fid).src.replace('up','down');}else{my_getbyid('box_'+fid).style.display = "";my_getbyid('img_'+fid).src = my_getbyid('img_'+fid).src.replace('down','up');}my_setcookie('collapseprefs', clean.join(','), 1);}