function img_fadeIn(str){
	$("#" + str).fadeIn(800);
}

$(document).ready(function(){
	$("#album1_prev").click(function(){
		$("#album_img1").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img2\");",800);
	});
	
	$("#album2_back").click(function(){
		$("#album_img2").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img1\");",800);
	});
	
	$("#album2_prev").click(function(){
		$("#album_img2").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img3\");",800);
	});
	
	$("#album3_back").click(function(){
		$("#album_img3").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img2\");",800);
	});
	
	$("#album3_prev").click(function(){
		$("#album_img3").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img4\");",800);
	});
	
	$("#album4_back").click(function(){
		$("#album_img4").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img3\");",800);
	});
	
	$("#album4_prev").click(function(){
		$("#album_img4").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img5\");",800);
	});
	
	$("#album5_back").click(function(){
		$("#album_img5").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img4\");",800);
	});
	
	$("#album5_prev").click(function(){
		$("#album_img5").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img6\");",800);
	});
	
	$("#album6_back").click(function(){
		$("#album_img6").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img5\");",800);
	});
	
	$("#album6_prev").click(function(){
		$("#album_img6").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img7\");",800);
	});
	
	$("#album7_back").click(function(){
		$("#album_img7").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img6\");",800);
	});
	
	$("#album7_prev").click(function(){
		$("#album_img7").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img8\");",800);
	});
	
	$("#album8_back").click(function(){
		$("#album_img8").fadeOut(800);
		window.setTimeout("img_fadeIn(\"album_img7\");",800);
	});
});