function toggle_advselect(n) {
	document.getElementById('advsektorilink').className = 'noactive';
	document.getElementById('advgradovelink').className = 'noactive';
	document.getElementById('advlastlink').className = 'noactive';
	document.getElementById(n+'link').className = 'active';
	document.getElementById('advsektoridiv').style.display = 'none';
	document.getElementById('advgradovediv').style.display = 'none';
	document.getElementById('advlastdiv').style.display = 'none';
	document.getElementById(n+'div').style.display = 'block';
	return true;
}