window.addEvent( 'domready', function(){
			$$( '.blocRef' ).each(function(item){
				var thisSlider = new Fx.Slide( item.getElement( '.vertical_slide' ), { duration: 600 } );
				thisSlider.hide();
				item.getElement( '.divToggle' ).addEvent( 'click', function(){ thisSlider.toggle(); } );  // you might want to stop events here with e.stop if the toggle element is a link or button
			} );
		} );