function filtru() {
	var s = document.getElementById('filtru');
	if (s.selectedIndex == 0) name = 'foo'
	if (s.selectedIndex == 1) name = 'stire DSeniori'
	if (s.selectedIndex == 2) name = 'stire DJuniori'
	if (s.selectedIndex == 3) name = 'stire junioriA'
	if (s.selectedIndex == 4) name = 'stire junioriB'
	if (s.selectedIndex == 5) name = 'stire diverse'
	var a = document.getElementById('main').getElementsByTagName('div');
	var n = a.length;
	for (var i=0; i<n; i++) {
		var c = a[i].className;
		if (c.substr(0,5)=='stire') a[i].style.display='none';
		if (a[i].className==name) a[i].style.display='block';
		if (name=='foo') a[i].style.display='block';
		}	
}