window.addEvent( 'domready', function(){
 $$( '.loginContainer' ).each(function(item){
  var thisSlider = new Fx.Slide( item.getElement( '.loginMain' ), { duration: 500 } );
  thisSlider.hide();
  item.getElement( '.loginHeader' ).addEvent( 'click', function(){ thisSlider.toggle(); } );
 } );
} );