Event.observe(window, 'load', function() {
	var selects = $$('select');
	for( var i = 0; i < selects.length; i++ )
	{
		var select = selects[i];
		var seloption = select.options[ select.selectedIndex ];
		select.previous().update( seloption.text );
		
		select.observe( 'change', function( event ) 
		{
			var element = Event.element( event );
			Element.previous( element ).update( element.options[ element.selectedIndex ].text );
		});
		
		select.observe( 'keypress', function( event )
		{
			var element = Event.element( event );
			Element.previous( element ).update( element.options[ element.selectedIndex ].text );
		});
	}
});