function PageChange(newPage, n) {

   if (currentPage != newPage) {
     Effect.Puff(document.getElementById(currentPage));
     Effect.Appear(document.getElementById(newPage));
   }

   currentPage = newPage;
      
   for (i=1; i<3; i++) { 
	  document.getElementById("f"+i).style.cursor = "hand";
	  document.getElementById("f"+i).style.textDecoration = "underline";
	  document.getElementById("f"+i).style.fontSize = 10;
   }
   document.getElementById("f"+n).style.cursor = "default";
   document.getElementById("f"+n).style.textDecoration = "none";
   document.getElementById("f"+n).style.fontSize = 20;
}

function IconChange(newIcon, n) {

   if (currentIcon != newIcon) {
     document.getElementById(currentIcon).style.display = "none";
     document.getElementById(newIcon).style.display     = "block";
   }

   currentIcon = newIcon;
   
   
   for (i=11; i<16; i++) { 
	  document.getElementById("f"+i).style.cursor = "hand";
	  document.getElementById("f"+i).style.textDecoration = "underline";
	  document.getElementById("f"+i).style.fontSize = 10;
   }
   document.getElementById("f"+n).style.cursor = "default";
   document.getElementById("f"+n).style.textDecoration = "none";
   document.getElementById("f"+n).style.fontSize = 20;
}

function MouseOver(obj) {

   obj.className = 'zaznaczona';

}

function MouseOut(obj) {

  obj.className = 'niezaznaczona';

}