try
{
	top.location.href;
}
catch (e)
{
	top.location.href = self.location.href;
}

function okno(el, frame, width, height)
{
	var wnd = window.open(typeof el == 'string' ? el : el.href, typeof frame == 'undefined' ? '' : frame, 'menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes' + (typeof width != 'undefined' ? ',width=' + width : '') + (typeof height != 'undefined' ? ',height=' + height : ''));
	if (!wnd) return false;
	wnd.focus();
	return true;
}

function aTarget(el, name)
{
	var wnd = window.open(typeof el == 'string' ? el : el.href, typeof name != 'undefined' ? name : '', 'menubar=yes,toolbar=yes,location=yes,directories=no,status=yes,scrollbars=yes,resizable=yes');
	if (!wnd) return false;
	wnd.focus();
	return true; 
}

Array.prototype.random = function(limit)
{
	if (typeof limit == 'undefined' || limit < 0) limit = 1;
	else if (!limit) limit = this.length;
	for (var i = 0, source = this, target = new Array(), n = source.length; i < limit && n > 0; i++)
	{
		do { var index = Math.random(); } while (index == 1);
		index = Math.floor(index * n);
		target.push(source[index]);
		source[index] = source[--n];
	}
	return target;
}