$(document).ready(function() { 
  formLogin();
  function	formLogin() {
    var options = { 
      target       :   '.login_target',
      timeout      :   10000000,    
      beforeSubmit :   request,  
      success      :   response  
    };
    var el; 
    $('.login_form').submit(
      function() {
        $('#submit').disabled=true;
        $(this).ajaxSubmit(options);
        return false;
      }
    );   
    function request(formData, jqForm, options) {     
      $('#submit').fadeOut();    
      el = popup(3, null, null);					
      return true;
    } 
    function response(responseText, statusText) {
      $(el).fadeOut("fast", function(){$(el).remove();});
      return false;	
    }
  }		
});