var basicSet = {
	// imageのプリローダー
	preloader: {
		loadedImages: [],
		load: function (url){
			var img = this.loadedImages;
			var l = img.length;
			img[l] = new Image();
			img[l].src = url;
		}
	},
	// URIを解析したオブジェクトを返すfunction
	URI: function(s){
		this.originalPath = s;
		
		//絶対パスを取得
		this.getAbsolutePath = function(path){
			var img;
			img = new Image();
			img.src = path;
			path = img.src;
			img.src = '#';
			return path;
		};
	
		this.absolutePath = this.getAbsolutePath(s);
	
		//絶対パスを分解
		var a, d, f, fn, fq, ff;
		a = this.absolutePath.split('://');
		this.schema = a[0];
		d = a[1].split('/');
		this.host = d.shift();
		f = d.pop();
		this.dirs = d;
		this.file = f.split('?')[0].split('#')[0];
		fn = this.file.split('.');
		this.fileExtension = (fn.length == 1) ? '' : fn.pop();
		this.fileName = fn.join('.');
		fq = f.split('?');
		this.query = (fq[1]) ? fq[1].split('#')[0] : '';
		ff = f.split('#');
		this.fragment = (ff[1]) ? ff[1].split('?')[0] : '';	

	
		//同じ文書にリンクしているかどうか
		this.linkPath = this.absolutePath.split('#')[0].split('index.')[0];
		this.pagePath = location.href.split('#')[0].split('index.')[0];
		
		//キャンパスツアーアーカイブ、特別授業アーカイブ用
		this.pagePath = this.pagePath.split('campustour-archive.')[0].split('openclass-archive.')[0];
		this.isSelfLink = (this.linkPath == this.pagePath);
		
		//console.log(this.linkPath + ',' + this.pagePath);
	}
};

$(function(){
	//グローバルナビのカレント表示
	$('div#globalNavi ul li a[@href]').each(function(){
		var image_cache = new Object();
		var href = new basicSet.URI(this.getAttribute('href'));
		$('img',this).each(function(){
			var imgsrc = this.src;
			var dot = this.src.lastIndexOf('.');
			var imgsrc_on = this.src.substr(0, dot) + '-on' + this.src.substr(dot, 4);
			image_cache[this.src] = new Image();
			image_cache[this.src].src = imgsrc_on;
			
			//同じカテゴリーかどうか
			var pageCategory = location.href.split('/')[3];
			var linkCategory;
			if(href.dirs[0]){
				linkCategory = href.dirs[0];
			}else{
				linkCategory = href.file;
			}
			//塾大連携に対応
			if(pageCategory=='program'){pageCategory = 'curriculum';}
			if (linkCategory == pageCategory) {
				this.src = imgsrc_on;
			} else {
				$(this).hover(
					function() { this.src = imgsrc_on; },
					function() { this.src = imgsrc; });
			}
			//console.log(pageCategory + ',' + linkCategory);
		});
	});
		
	$('div#localNavi dl dl dd').each(function(){
		$(this).css('display','none');
	});
	//現在のページへのリンク
	$('div#localNavi dl dl dl dl a[@href]').each(function(){
		var href = new basicSet.URI(this.getAttribute('href'));
		if (href.isSelfLink && !href.fragment) {
			$(this.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.parentNode).addClass('current');
			$(this.parentNode.parentNode.parentNode.parentNode.parentNode).addClass('current');
			$(this.parentNode.parentNode.parentNode).addClass('current');
			$(this.parentNode).addClass('current');
		}
	});
	$('div#localNavi dl dl dl a[@href]').each(function(){
		var href = new basicSet.URI(this.getAttribute('href'));
		if (href.isSelfLink && !href.fragment) {
			$(this.parentNode.parentNode.parentNode.parentNode.parentNode).addClass('current');
			$(this.parentNode.parentNode.parentNode).addClass('current');
			$(this.parentNode).addClass('current');
		}
	});
	$('div#localNavi dl dl a[@href]').each(function(){
		var href = new basicSet.URI(this.getAttribute('href'));
		if (href.isSelfLink && !href.fragment) {
			$(this.parentNode.parentNode.parentNode).addClass('current');
			$(this.parentNode).addClass('current');
		}
	});
	$('div#localNavi dl a[@href]').each(function(){
		var href = new basicSet.URI(this.getAttribute('href'));
		if (href.isSelfLink && !href.fragment) {
			$(this.parentNode).addClass('current');
		}
	});
	$('div#localNavi dl dd.current dl dd').each(function(){
		$(this).css('display','block');
	});
});