/*window.onload = function() {
  document.writeln('ddd');
}*/

function selectall(onid,onoff) {
  for (var i = 0; i < $(onid).length; i++) {
    $(onid).elements[i].checked = onoff
  }
}

function changeMain(v,onform,urlto,supraz,loading) {
  //supraz='main';
  var loado='';
  $(supraz).hide();
  if (supraz=='error')
  {loado='e'.loading;}
  else
  {loado=loading;}
  $(loado).show();
  
  var doo="";
  if (onform)
  {
  for (var i = 0; i < $(v).length; i++) {
    if ($(v).elements[i].name!='')
    if ($(v).elements[i].type!='checkbox')
    {doo = doo + $(v).elements[i].name + "=" + encodeURIComponent($(v).elements[i].value) + "&";}
    else
    {doo = doo + $(v).elements[i].name + "=" + $(v).elements[i].checked + "&";}
  }
  }
  else
  {
    doo=v;
  }
  
  new Ajax.Updater(supraz, urlto, 
    { method: 'post', 
      parameters: "?"+doo, 
      onComplete: function () { 
        $(loado).hide();
        $(supraz).show();
      } 
    }
  );
}