function handleOffset(tipus,selecttipus)
 {
  var offsetselect = document.getElementById("offset_"+tipus);
  var limitselect  = document.getElementById("limit_"+tipus);
  
  if (selecttipus=="limit")
   window.location.href = offprefix+"0/"+(limitselect ? limitselect.options[limitselect.selectedIndex].value : 0);
  else if (selecttipus=="offset")
   window.location.href = offprefix+offsetselect.options[offsetselect.selectedIndex].value+"/"+(limitselect ? limitselect.options[limitselect.selectedIndex].value : 10);
 }