function show_moving_boxes() {

	if($("moving_box1")) {
		setTimeout ("new Effect.Move('moving_box1', { x: 0, y: -115, duration:0.25 })", 0 );
	}
	if($("moving_box2")) {
		setTimeout ("new Effect.Move('moving_box2', { x: 0, y: -115, duration:0.25 })", 300 );
	}
	if($("moving_box3")) {
		setTimeout ("new Effect.Move('moving_box3', { x: 0, y: -115, duration:0.25 })", 600 );
	}
	if($("moving_box4")) {
		setTimeout ("new Effect.Move('moving_box4', { x: 0, y: -115, duration:0.25 })", 900 );
	}
	if($("moving_box5")) {
		setTimeout ("new Effect.Move('moving_box5', { x: 0, y: -115, duration:0.25 })", 1200 );
	}
	if($("moving_box6")) {
		setTimeout ("new Effect.Move('moving_box6', { x: 0, y: -115, duration:0.25 })", 1500 );
	}
}

function slide_main_img_up() {
	
	Effect.Grow('grow', {direction:'center'});
	$('overlay_img_small').hide();
	setTimeout ("$('overlay_img_big').show();", 1000 );
	$('arrow_open').hide();
	setTimeout ("$('arrow_close').show();", 1000 );
}

function slide_main_img_down() {

	Effect.Shrink('grow', {direction:'center'});
	$('overlay_img_big').hide();
	setTimeout ("$('overlay_img_small').show();", 1000 );
	$('arrow_open').show();
	$('arrow_close').hide();
}