function showDistrict(code){
	hideAllDistricts();
	document.getElementById(code).style.visibility='visible';
	//alert(code);
}

function hideAllDistricts(){
	document.getElementById('DS').style.visibility='hidden';
	document.getElementById('KP').style.visibility='hidden';
	document.getElementById('LB').style.visibility='hidden';
	document.getElementById('LD').style.visibility='hidden';
	document.getElementById('LU').style.visibility='hidden';
	document.getElementById('MA').style.visibility='hidden';
	document.getElementById('MP').style.visibility='hidden';
	document.getElementById('OP').style.visibility='hidden';
	document.getElementById('PD').style.visibility='hidden';
	document.getElementById('PK').style.visibility='hidden';
	document.getElementById('PM').style.visibility='hidden';
	document.getElementById('SL').style.visibility='hidden';
	document.getElementById('SW').style.visibility='hidden';
	document.getElementById('WM').style.visibility='hidden';	
	document.getElementById('WP').style.visibility='hidden';
	document.getElementById('ZP').style.visibility='hidden';
}

function realizationsOfCity(id){
	if(id>0) document.location.href='?realizacje&miasto='+id;
}