function Toggle(item) {
  obj=document.getElementById("y" + item);
  visible=(obj.style.display!="none");
  key=document.getElementById("x" + item);
  if (visible) {
    obj.style.display="none";
    key.innerHTML="<img src='pic/plus.gif' hspace='0' vspace='0' alt='plus' border='0' />"; 
  } 
  else {
    obj.style.display="block";
    key.innerHTML="<img src='pic/minus.gif'hspace='0' vspace='0' alt='minus' border='0' />";
  }
}

function zobr(file,page){
  window.open("../includes/obr.php?pic="+file+"&page="+page, "klik", "titlebar=no, toolbar=no, menubar=no, scrollbars=no, resizable=yes, width=150, height=150, top=50, left=100"); 
}