function myAppear(target) {
		Effect.Appear($(target));
	}
	function myFade(target) {
		Effect.Fade($(target));
	}
	
	function intro() {		
		myAppear('header');
		window.setTimeout("myintro1()", 1000);
	}
	function myintro1() {		
		myAppear('main_container_intro');
		window.setTimeout("myintro2()", 1000);
	}
	function myintro2() {		
		myAppear('main_navi_box');
	}