function ChangeImage(myImg, myNum) {
          var myDots = "document.images['nav" + myNum + "']";
          myDots = eval(myDots);
          mySrc = "images/" + myImg + ".jpg";
          myDots.src = mySrc;
  }
function ChangeImagepng(myImg, myNum) {
          var myDots = "document.images['nav" + myNum + "']";
          myDots = eval(myDots);
          mySrc = "images/" + myImg + ".png";
          myDots.src = mySrc;
  }


function KolorTlaKomorkiOn(z)
{

document.getElementById(z).style.backgroundColor='#F58B4B';
}
function KolorTlaKomorkiOff(z)
{

document.getElementById(z).style.backgroundColor='#505050';
}
function reklama() { okno('reklama.html','300','450','no','no');}
noweOkienko=null;
function okno(src, w, h, bars, skalowanie)
  {
   if(window.screen)
        {
        aw = screen.availWidth;
        ah = screen.availHeight;
        }
        else
            {
            aw = 1024;
            ah = 860;
            }
  
  var ustawienia = "left=" + (aw - w)/2 + ","
        + "top=" + (ah - h)/2 + ","
        + "screenX=" + (aw - w)/2 + ","
        + "screenY=" + (ah - h)/2 + ","
        + "width=" + w + ","
        + "height=" + h + ","
        + "innerWidth=" + w + ","
        + "innerHeight=" + h + ","
        + "toolbar=no,"
        + "location=no,"
        + "directories=no,"
        + "status=no,"
        + "menubar=no,"
        + "scrollbars=" + bars + ","
        + "resizable=" + skalowanie ;
if(noweOkienko == null || noweOkienko.closed) {
        	noweOkienko = window.open(src, 'stronka', ustawienia);
        	} else {
		noweOkienko.close();
		noweOkienko = window.open(src, 'stronka', ustawienia);
		}
	noweOkienko.focus();
    }



function zmien_news(j) {
         tabela = 'NEWS_'+j; 
         vopis = eval(tabela+"['opis']");
		 
         document.getElementById('caly').innerHTML = vopis;
		 
}

function rozwin(x) {
              document.getElementById(x).style.visibility = 'visible';
              }
              
function zwin(x) {
              document.getElementById(x).style.visibility = 'hidden';
              }
function pokaz(x) {
              document.getElementById(x).style.display = 'block';
              }
              
function ukryj(x) {
              document.getElementById(x).style.display = 'none';
              }