if (document.images) {
	    imgs = new Array()
	    imgs['blank'] = new Image(270,255); imgs['blank'].src = "image/mapa/blank.gif";
		imgs['augustowski'] = new Image(270,255); imgs['augustowski'].src = "image/mapa/podlaskie/augustowski.gif";
		imgs['bialostocki'] = new Image(270,255); imgs['bialostocki'].src = "image/mapa/podlaskie/bialostocki.gif";
		imgs['bielski'] = new Image(270,255); imgs['bielski'].src = "image/mapa/podlaskie/bielski.gif";
		imgs['grajewski'] = new Image(270,255); imgs['grajewski'].src = "image/mapa/podlaskie/grajewski.gif";
		imgs['hajnowski'] = new Image(270,255); imgs['hajnowski'].src = "image/mapa/podlaskie/hajnowski.gif";
		imgs['kolnenski'] = new Image(270,255); imgs['kolnenski'].src = "image/mapa/podlaskie/kolnenski.gif";
		imgs['lomzynski'] = new Image(270,255); imgs['lomzynski'].src = "image/mapa/podlaskie/lomzynski.gif";
		imgs['moniecki'] = new Image(270,255); imgs['moniecki'].src = "image/mapa/podlaskie/moniecki.gif";
		imgs['sejnenski'] = new Image(270,255); imgs['sejnenski'].src = "image/mapa/podlaskie/sejnenski.gif";
		imgs['siemiatycki'] = new Image(270,255); imgs['siemiatycki'].src = "image/mapa/podlaskie/siemiatycki.gif";
		imgs['sokolski'] = new Image(270,255); imgs['sokolski'].src = "image/mapa/podlaskie/sokolski.gif";
		imgs['suwalski'] = new Image(270,255); imgs['suwalski'].src = "image/mapa/podlaskie/suwalski.gif";
		imgs['wysokomazowiecki'] = new Image(270,255); imgs['wysokomazowiecki'].src = "image/mapa/podlaskie/wysokomazowiecki.gif";
		imgs['zambrowski'] = new Image(270,255); imgs['zambrowski'].src = "image/mapa/podlaskie/zambrowski.gif";

	  
}

function mouseover(woj){ 
  document.getElementById('img_mapa').src = imgs[woj].src;
}