function switchIMG(id, id2)
{
	if( document.getElementById(id) != null ){
	  i=document.getElementById(id).src.substring(document.getElementById(id).src.length-13);  
	  a = document.getElementById(id2);
	  
	  /*if(i == "przyklad2.jpg")
	  {
	    document.getElementById(id).src = "images/przyklad3.jpg";
	    a.href = "index.php?page=2&os=0";
	  }
	  else 
	  {*/
	    document.getElementById(id).src = "images/przyklad2.jpg";
	    a.href = "index.php?page=2&os=9";
	//}
	}
}