var mydomain = 'http://na.test2.ru';
var is_regexp = (window.RegExp) ? true : false;

function fetch_object(idname) {
	if (document.getElementById){ return document.getElementById(idname); }
	else if (document.all){	return document.all[idname]; }
	else if (document.layers){ return document.layers[idname]; }
	else { return null; }
}
function set_cookie(name, value, expires)
{
	document.cookie = name + '=' + escape(value) + '; path=/' + (typeof expires != 'undefined' ? '; expires=' + expires.toGMTString() : '');
}
function delete_cookie(name)
{
	document.cookie = name + '=' + '; expires=Thu, 01-Jan-70 00:00:01 GMT' +  '; path=/';
}
function fetch_cookie(name)
{
	cookie_name = name + '=';
	cookie_length = document.cookie.length;
	cookie_begin = 0;
	while (cookie_begin < cookie_length)
	{
		value_begin = cookie_begin + cookie_name.length;
		if (document.cookie.substring(cookie_begin, value_begin) == cookie_name)
		{
			var value_end = document.cookie.indexOf (';', value_begin);
			if (value_end == -1)value_end = cookie_length;
			return unescape(document.cookie.substring(value_begin, value_end));
		}
		cookie_begin = document.cookie.indexOf(' ', cookie_begin) + 1;
		if (cookie_begin == 0)break;
	}
	return null;
}

function showimg(id){
	Obj = fetch_object(id);
	Obj.src = '/images/topmenu_'+id+'_on.png';
}
function hideimg(id){
	Obj = fetch_object(id);
	Obj.src = '/images/topmenu_'+id+'.png';
}