function gotoPage(url, paramName, value)
{
	if (url == '')
		url = location.href;

	if (url.substring(url.length - 1, url.length) == '&')
		url = url.substring(0, url.length - 1);
	url = removeParameter(url, paramName);
	url += '&' + paramName + '=' + value + '&';

	window.location = Utf8.decode(url);
}