// News filtern
function filter_news(){
	
	var categories = '';
	var subject1 = document.getElementById('typ').value;
	var subject2 = document.getElementById('stadtteil').value;
	
	categories = subject1+","+subject2;

	if(subject1 == "" && subject2 == ""){
		categories = '3';
		}
	
	window.location = document.getElementById('filterform').action + '&no_cache=1&categories=' + categories;	
	
	}