function filterByNewsCategory(select)
{
	var currentUrl = document.location.href;
	var startIndex = currentUrl.lastIndexOf("-") + 1;
	var endIndex =  currentUrl.lastIndexOf(".");
	
	var newUrl = currentUrl.substr(0,startIndex) + select.value + currentUrl.substr(endIndex, currentUrl.length);

	document.location = newUrl;
}

function changeGrouping(select)
{	
	var currentUrl = document.location.href;
	var startIndex = currentUrl.indexOf("-") + 1;
	var endIndex =  currentUrl.lastIndexOf("/");
	
	var newUrl = currentUrl.substr(0,startIndex) + select.value + currentUrl.substr(endIndex, currentUrl.length);

	document.location = newUrl;
}