function filter(){
	for (i=1; i<=num; i++){
		try{
			document.getElementById('tr'+i).style.display = '';
		}catch(e) {} finally {}
	}
	val = document.getElementById('f_raion').value;
	if (val != 'Все районы'){
		for (var i=1; i<=num; i++){
			try{
				if (document.getElementById('raion'+i).innerHTML != val){
					document.getElementById('tr'+i).style.display = 'none';
				}
			}catch(e) {} finally {}
		}
	}
	val = document.getElementById('f_address').value.toLowerCase();
	for (var i=1; i<=num; i++){
		try{
			if (document.getElementById('address'+i).innerHTML.toLowerCase().indexOf(val) == -1){
				document.getElementById('tr'+i).style.display = 'none';
			}
		}catch(e) {} finally {}
	}
	val = document.getElementById('f_alco').checked;
	if (val == true){
		for (var i=1; i<=num; i++){
			try{
				if (document.getElementById('alco'+i).innerHTML != 'Да'){
					document.getElementById('tr'+i).style.display = 'none';
				}
			}catch(e) {} finally {}
		}
	}
	val = document.getElementById('f_svet').checked;
	if (val == true){
		for (var i=1; i<=num; i++){
			try{
				if (document.getElementById('svet'+i).innerHTML != 'Да'){
					document.getElementById('tr'+i).style.display = 'none';
				}
			}catch(e) {} finally {}
		}
	}
}