/*================================================================================*/
$(document).ready(function(){

	//$.preloadCssImages();
	
	$('body').hide();
	
	//すべて隠す
	$("#background-img>img"	).stop(true, false).animate({ opacity: 0 }, 0 );
	$("#title-images>p"		).stop(true, false).animate({ opacity: 0 }, 0 );
	$("#navi>ul"			).stop(true, false).animate({ opacity: 0 }, 0 );



	$(document).bind("contextmenu",function(e){ return false; });


});




/*================================================================================*/
jQuery(window).load(function(){

	//すべて隠す
	$("#background-img>img"	).stop(true, false).animate({ opacity: 0 }, 0 );
	$("#title-images>p"		).stop(true, false).animate({ opacity: 0 }, 0 );
	$("#navi>ul"			).stop(true, false).animate({ opacity: 0 }, 0 );
	
	$('body').show();
	
	
	$("#background-img").backgroundScale({
	
			imageSelector: ".bgmaximage",
			centerAlign: false,
			containerPadding: 0
	});
	
	
	
	
	//var numberOfArts = 3;
	//var mt = new MersenneTwister();
	//var rand = mt.nextInt(0, numberOfArts); // 0 以上 3 未満の整数

	rand = 0;
	 
	//X番目の絵を抽出
	var currentArt = $("#background-img>img:eq("+rand+")");

	//X番目以外の絵をすべて隠す
	//$("#background-img>img:gt("+rand+")").hide();
	//$("#background-img>img:lt("+rand+")").hide();
	
	$(currentArt).stop(true, false).animate({ opacity: 1 }, 1000 );


	//X番目の絵に対応する文字色
	var menuColor_cA = currentArt.attr("menucolor");

	
	//X番目の絵に適合するタイトルとメニューを表示
	$("#title-images>p[menucolor="+menuColor_cA+"]").animate({ opacity: 1 }, 1000 );
	$("#navi>ul[menucolor="+menuColor_cA+"]").animate({ opacity: 1 }, 1000 );

});




/*================================================================================*/
$(function(){



	setInterval(function(){


		var currentArt = $("#background-img>img:eq(0)");
		var nextArt    = $("#background-img>img:eq(1)");

		var menuColor_cA = currentArt.attr("menucolor");
		var menuColor_nA = nextArt.attr("menucolor");

		
		currentArt.stop(true, false).animate({ opacity: 0 }, 2000 );
		nextArt.stop(true, false).animate({ opacity: 1 }, 1000 );
		currentArt.appendTo("#background-img"); 

		if( menuColor_cA != menuColor_nA ){
		
			$("#title-images>p[menucolor="+menuColor_cA+"]").stop(true, false).animate({ opacity: 0 }, 1000 );
			$("#title-images>p[menucolor="+menuColor_nA+"]").stop(true, false).animate({ opacity: 1 }, 1000 );
			

			$("#navi>ul[menucolor="+menuColor_cA+"]").stop(true, false).animate({ opacity: 0 }, 1000 );
			$("#navi>ul[menucolor="+menuColor_nA+"]").stop(true, false).animate({ opacity: 1 }, 1000 );
		}
		
	},

 
		10000
	);



});