var err=new Object;
function _focus(id)
 {
  var top=0;
  var left=0;
  if (screen.availHeight>188)
   {
   	top=screen.availHeight-188;
   	top=Math.round(top/4);
   }
  if (screen.availWidth>333)
   {
   	left=screen.availWidth-333;
   	left=Math.round(left/2);
   }
  document.getElementById(id).style.top=top+'px';
  document.getElementById(id).style.left=left+'px';
 }
function data_ok()
 {
  var result=true;
  err['number']=false;
  if (validate(document.getElementById('login').value,'login')==false)
   {
    err['login']=true;
    result=false;
   }
  else
   err['login']=false;
  if (validate(document.getElementById('password').value,'password')==false)
   {
    err['password']=true;
    result=false;
   }
  else
   err['password']=false;
  return result;
 }
function show_error(message)
 {
  var print=message;
  for (var key in array_error)
   if (err[key]==true)
    print+="\n"+array_error[key];
  e_alert(print);
 }