function goToPage(pageNumber){
	var url = document.URL;
	if(url.indexOf("page") > 0){
		url = url.replace(/page=[0-9]*/,"page=" + pageNumber);
	} else {
		if (url.indexOf("?") > 0)
			{url += "&";}
		else
			{url += "?";}
		url += "page=" + pageNumber;
	}
	return url;
}