var image_array, is_transforming, image_id;
function set_up_team_switcher(image_names) {
	document.image_array=new Array();
	document.image_array['franco'] = new Image;
	document.image_array['piero'] = new Image;
	document.image_array['recruitment'] = new Image;
	document.image_array['franco'].src = "/images/background/team_franco.jpg";
	document.image_array['piero'].src = "/images/background/team_piero.jpg";
	document.image_array['recruitment'].src = "/images/background/team_1.jpg";
	is_transforming=false;
	image_id='bg_image';
}
function change_team_image(the_image) { 
	var change_image=true;
	if (!is_transforming) {
		is_transforming=true;
		new Effect.Fade(image_id, {
			duration:3,
			fps:50, 
			beforeStart: function() { change_image=false; },
			afterFinish: function() {
				change_the_team_image(the_image);
				is_transforming=false;
				new Effect.Appear(image_id, { duration:3, fps:50 } );
			}
		} )
	}
	if (change_image) { change_the_team_image(the_image); }
}
	
function change_the_team_image(the_image) { 
	document.getElementById(image_id).src=document.image_array[the_image].src; // use scriptaculous
}