function menu (obj){
  var li = $(obj).getParent();
  var ul = li.getElement('ul');  
  ul.toggleClass('hide');  
  if ( li.hasClass('active' ) )
    li.removeClass('active')
  else if ( !ul.hasClass('hide') ) 
    li.addClass('active');
  }
  
function swich_order_row ( obj ){
  var className = obj.get('name') ;
  if( className ){
    if ( obj.get('value') )
      $$('.'+className).removeClass('hide');
    else
      $$('.'+className).addClass('hide');
    }
  } 
  
window.addEvent('domready', function() {
  var query_field = $('search_form').getElement('input[type=text]');    
  if ( query_field ){
      query_field.addEvents({
        'focus':function(){if( this.get('value')== this.get('title'))this.set('value','');},
        'blur': function(){if( this.get('value')== '')this.set('value',this.get('title'));}
      });  
    }
    
  var login_form = $('login_form');
  
  if ( login_form )
  login_form.getElements('input[type=text]').each(function(el){ 
      el.addEvents({
        'focus':function(){
          if( this.get('value')== this.get('title')){
            this.set('value','');
            if ( this.get('name') == 'password' ){
              if ( Browser.Engine.trident ){
                new Element('input',{'type':'password','class':'textfield','name':'password'}).replaces( this );
                }
              else
                this.set('type','password');  
              }              
            }
          },
        'blur': function(){
          if( this.get('value')== ''){
            if ( this.get('name') == 'password' )
              this.set('type','text');            
            this.set('value',this.get('title'));
            }            
          }
      });
    });
});