// JavaScript Document

/*
 * yuga.js 0.6.3 - 優雅なWeb制作のためのJS
 *
 * Copyright (c) 2007 Kyosuke Nakamura (kyosuke.jp)
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 * Since:     2006-10-30
 * Modified:  2008-07-07
 *
 * jQuery 1.2.6
 * ThickBox 3.1
 */

(function($) {

	$(function() {
		//$.yuga.selflink({
		//	reOrignalSrc: 'h1, .pageTop, #gNav li', //現在のページでもファイル名を変更しないように
		//	postfix: '_over'
		//});
		$.yuga.rollover({
			hoverSelector: '.rollover, #selectArea img, .pageTop img,', //ロールオーバーさせる画像用のクラス名
			postfix: '_on'
		});
		$.yuga.externalLink({
			blankIconPath: '<img src="/image/item/icon_blank.gif" alt="別窓で開きます" class="externalIcon" />',
			notWindowURL: 'a[href*="nichigei-bungei.info"]', //MTなどで別窓が開いてしまう対策
			blankIconHidden: '#sub .externalIcon,#header .externalIcon,#footer .externalIcon, .otherBody #main .externalIcon' //別窓アイコンを表示させたくない要素
		});
		$.yuga.thickbox();
		$.yuga.scroll();
		$.yuga.tab();
		$.yuga.stripe();
		$.yuga.css3class();
	});

	//---------------------------------------------------------------------

	$.yuga = {
		// URIを解析したオブジェクトを返すfunction
		Uri: function(path){
			this.originalPath = path;
			//絶対パスを取得
			this.absolutePath = (function(){
				var e = document.createElement('span');
				e.innerHTML = '<a href="' + path + '" />';
				return e.firstChild.href;
			})();
			//絶対パスを分解
			var fields = {'schema' : 2, 'username' : 5, 'password' : 6, 'host' : 7, 'path' : 9, 'query' : 10, 'fragment' : 11};
			var r = /^((\w+):)?(\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/.exec(this.absolutePath);
			for (var field in fields) {
				this[field] = r[fields[field]]; 
			}
		},
		//現在のページと親ディレクトリへのリンク
		selflink: function (options) {
			var c = $.extend({
				selfLinkClass:'current',
				parentsLinkClass:'parentsLink',
				postfix: '_cr'
			}, options);
			$('a[href]').each(function(){
				var href = new $.yuga.Uri(this.getAttribute('href'));
				var setImgFlg = false;
				if ((href.absolutePath == location.href) && !href.fragment) {
					//同じ文書にリンク
					$(this).addClass(c.selfLinkClass);
					setImgFlg = true;
				} else if (0 <= location.href.search(href.absolutePath)) {
					//親ディレクトリリンク
					$(this).addClass(c.parentsLinkClass);
					setImgFlg = true;
				}
				if (setImgFlg){
					//img要素が含まれていたら現在用画像（_cr）に設定
					$(this).find('img').each(function(){
						this.originalSrc = $(this).attr('src');
						this.currentSrc = this.originalSrc.replace(/(\.gif|\.jpg|\.png)/, c.postfix+"$1");
						$(this).attr('src',this.currentSrc);
					});
				}
			});
			$(c.reOrignalSrc).find('img').each(function(){
				$(this).attr('src',this.originalSrc);
			});
		},
		//ロールオーバー
		rollover: function(options) {
			var c = $.extend({
				hoverSelector: '.btn, .allbtn img',
				groupSelector: '.btngroup',
				postfix: '_on'
			}, options);
			//ロールオーバーするノードの初期化
			$(c.hoverSelector).filter(isNotCurrent).each(function(){
				this.originalSrc = $(this).attr('src');
				this.rolloverSrc = this.originalSrc.replace(/(\.gif|\.jpg|\.png)$/, c.postfix+"$1");
				this.rolloverImg = new Image;
				this.rolloverImg.src = this.rolloverSrc;
			});
			//グループ内のimg要素を指定するセレクタ生成
			var inGroup = new Array();
			$.each(c.groupSelector.split(/,\s?/g), function(i, n){
				inGroup.push(n + ' ' + c.hoverSelector.replace(/,\s?/g, ', '+ n +' '));
			});
			var inGroupSelector = $(inGroup.join(', '));
			//通常ロールオーバー
			$(c.hoverSelector).not(inGroupSelector).filter(isNotCurrent).hover(function(){
				$(this).attr('src',this.rolloverSrc);
			},function(){
				$(this).attr('src',this.originalSrc);
			});
			//グループ化されたロールオーバー
			$(c.groupSelector).hover(function(){
				$(this).find('img').filter(c.hoverSelector).filter(isNotCurrent).each(function(){
					$(this).attr('src',this.rolloverSrc);
				});
			},function(){
				$(this).find('img').filter(c.hoverSelector).filter(isNotCurrent).each(function(){
					$(this).attr('src',this.originalSrc);
				});
			});
			//フィルタ用function
			function isNotCurrent(i){
				return Boolean(!this.currentSrc);
			}
		},
		//外部リンクは別ウインドウを設定
		externalLink: function(options) {
			var c = $.extend({
				windowOpen:true,
				externalClass: 'externalLink',
				blankIconPath: '<img src="/image/item/icon_blank.gif" alt="別窓で開きます" class="externalIcon" />',
				notWindowURL: 'a[href*="nichigei-bungei.info"]',
				blankIconHidden: '#sub .externalIcon'
			}, options);
			var e = $('a[href^="http://"]').not(c.notWindowURL).append(c.blankIconPath);
			if (c.windowOpen) {
				e.click(function(){
					window.open(this.href, '_blank');
					return false;
				});
			}
			e.addClass(c.externalClass);
			$(c.blankIconHidden).css("display","none");
		},
		//画像へ直リンクするとthickboxで表示(thickbox.js利用)
		thickbox: function() {
			try {
				tb_init('a[@href$=".jpg"]:not(.thickbox), a[@href$=".gif"]:not(.thickbox), a[@href$=".png"]:not(.thickbox)');
			} catch(e) {
			}	
		},
		//ページ内リンクはするするスクロール
		scroll: function(options) {
			//ドキュメントのスクロールを制御するオブジェクト
			var scroller = (function() {
				var c = $.extend({
					easing:250,
					step:30,
					fps:60
				}, options);
				c.ms = Math.floor(1000/c.fps);
				var timerId;
				var param = {
					stepCount:0,
					startY:0,
					endY:0,
					lastY:0
				};
				//スクロール中に実行されるfunction
				function move() {
					if (param.stepCount == c.step) {
						//スクロール終了時
						window.scrollTo(getCurrentX(), param.endY);
					} else if (param.lastY == getCurrentY()) {
						//通常スクロール時
						param.stepCount++;
						window.scrollTo(getCurrentX(), getEasingY());
						param.lastY = getEasingY();
						timerId = setTimeout(move, c.ms); 
					}
				}
				function getCurrentY() {
					return document.body.scrollTop  || document.documentElement.scrollTop;
				}
				function getCurrentX() {
					return document.body.scrollLeft  || document.documentElement.scrollLeft;
				}
				function getEasingY() {
					return Math.floor(getEasing(param.startY, param.endY, param.stepCount, c.step, c.easing));
				}
				function getEasing(start, end, stepCount, step, easing) {
					var s = stepCount / step;
					return (end - start) * (s + easing / (100 * Math.PI) * Math.sin(Math.PI * s)) + start;
				}
				return {
					set: function(options) {
						this.stop();
						if (options.startY == undefined) options.startY = getCurrentY();
						param = $.extend(param, options);
						param.lastY = param.startY;
						timerId = setTimeout(move, c.ms); 
					},
					stop: function(){
						clearTimeout(timerId);
						param.stepCount = 0;
					}
				};
			})();
			$('a[href^=#], area[href^=#]').not('a[href=#], area[href=#]').each(function(){
				this.hrefdata = new $.yuga.Uri(this.getAttribute('href'));
			}).click(function(){
				var target = $('#'+this.hrefdata.fragment);
				if (target.length) {
					scroller.set({
						endY: target.offset().top
					});
					return false;
				}
			});
		},
		//タブ機能
		tab: function(options) {
			var c = $.extend({
				tabNavSelector:'.tabNav',
				activeTabClass:'active'
			}, options);
			$(c.tabNavSelector).each(function(){
				var tabNavList = $(this).find('a[href^=#], area[href^=#]');
				var tabBodyList;
				tabNavList.each(function(){
					this.hrefdata = new $.yuga.Uri(this.getAttribute('href'));
					var selecter = '#'+this.hrefdata.fragment;
					if (tabBodyList) {
						tabBodyList = tabBodyList.add(selecter);
					} else {
						tabBodyList = $(selecter);
					}
					$(this).unbind('click');
					$(this).click(function(){
						tabNavList.removeClass(c.activeTabClass);
						$(this).addClass(c.activeTabClass);
						tabBodyList.hide();
						$(selecter).show();
						return false;
					});
				});
				tabBodyList.hide()
				tabNavList.filter(':first').trigger('click');
			});
		},
		//奇数、偶数を自動追加
		stripe: function(options) {
			var c = $.extend({
				oddClass:'odd',
				evenClass:'even'
			}, options);
			$('ul, ol').each(function(){
				//JSでは0から数えるのでevenとaddを逆に指定
				$(this).children('li:odd').addClass(c.evenClass);
				$(this).children('li:even').addClass(c.oddClass);
			});
			$('table, tbody').each(function(){
				$(this).children('tr:odd').addClass(c.evenClass);
				$(this).children('tr:even').addClass(c.oddClass);
			});
		},
		//css3のクラスを追加
		css3class: function() {
			//:first-child, :last-childをクラスとして追加
			$('body :first-child').addClass('firstChild');
			$('body :last-child').addClass('lastChild');
			//css3の:emptyをクラスとして追加
			$('body :empty').addClass('empty');
		}
	};
})(jQuery);


/*!
 * jQuery corner plugin: simple corner rounding
 * Examples and documentation at: http://jquery.malsup.com/corner/
 * version 2.11 (15-JUN-2010)
 * Requires jQuery v1.3.2 or later
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * Authors: Dave Methvin and Mike Alsup
 */

/**
 *  corner() takes a single string argument:  $('#myDiv').corner("effect corners width")
 *
 *  effect:  name of the effect to apply, such as round, bevel, notch, bite, etc (default is round). 
 *  corners: one or more of: top, bottom, tr, tl, br, or bl.  (default is all corners)
 *  width:   width of the effect; in the case of rounded corners this is the radius. 
 *           specify this value using the px suffix such as 10px (yes, it must be pixels).
 */
;(function($) { 

var style = document.createElement('div').style,
    moz = style['MozBorderRadius'] !== undefined,
    webkit = style['WebkitBorderRadius'] !== undefined,
    radius = style['borderRadius'] !== undefined || style['BorderRadius'] !== undefined,
    mode = document.documentMode || 0,
    noBottomFold = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8),

    expr = $.browser.msie && (function() {
        var div = document.createElement('div');
        try { div.style.setExpression('width','0+0'); div.style.removeExpression('width'); }
        catch(e) { return false; }
        return true;
    })();

$.support = $.support || {};
$.support.borderRadius = moz || webkit || radius; // so you can do:  if (!$.support.borderRadius) $('#myDiv').corner();

function sz(el, p) { 
    return parseInt($.css(el,p))||0; 
};
function hex2(s) {
    var s = parseInt(s).toString(16);
    return ( s.length < 2 ) ? '0'+s : s;
};
function gpc(node) {
    while(node) {
        var v = $.css(node,'backgroundColor'), rgb;
        if (v && v != 'transparent' && v != 'rgba(0, 0, 0, 0)') {
            if (v.indexOf('rgb') >= 0) { 
                rgb = v.match(/\d+/g); 
                return '#'+ hex2(rgb[0]) + hex2(rgb[1]) + hex2(rgb[2]);
            }
            return v;
        }
        if (node.nodeName.toLowerCase() == 'html')
            break;
        node = node.parentNode; // keep walking if transparent
    }
    return '#ffffff';
};

function getWidth(fx, i, width) {
    switch(fx) {
    case 'round':  return Math.round(width*(1-Math.cos(Math.asin(i/width))));
    case 'cool':   return Math.round(width*(1+Math.cos(Math.asin(i/width))));
    case 'sharp':  return Math.round(width*(1-Math.cos(Math.acos(i/width))));
    case 'bite':   return Math.round(width*(Math.cos(Math.asin((width-i-1)/width))));
    case 'slide':  return Math.round(width*(Math.atan2(i,width/i)));
    case 'jut':    return Math.round(width*(Math.atan2(width,(width-i-1))));
    case 'curl':   return Math.round(width*(Math.atan(i)));
    case 'tear':   return Math.round(width*(Math.cos(i)));
    case 'wicked': return Math.round(width*(Math.tan(i)));
    case 'long':   return Math.round(width*(Math.sqrt(i)));
    case 'sculpt': return Math.round(width*(Math.log((width-i-1),width)));
    case 'dogfold':
    case 'dog':    return (i&1) ? (i+1) : width;
    case 'dog2':   return (i&2) ? (i+1) : width;
    case 'dog3':   return (i&3) ? (i+1) : width;
    case 'fray':   return (i%2)*width;
    case 'notch':  return width; 
    case 'bevelfold':
    case 'bevel':  return i+1;
    }
};

$.fn.corner = function(options) {
    // in 1.3+ we can fix mistakes with the ready state
    if (this.length == 0) {
        if (!$.isReady && this.selector) {
            var s = this.selector, c = this.context;
            $(function() {
                $(s,c).corner(options);
            });
        }
        return this;
    }

    return this.each(function(index){
        var $this = $(this),
            // meta values override options
            o = [$this.attr($.fn.corner.defaults.metaAttr) || '', options || ''].join(' ').toLowerCase(),
            keep = /keep/.test(o),                       // keep borders?
            cc = ((o.match(/cc:(#[0-9a-f]+)/)||[])[1]),  // corner color
            sc = ((o.match(/sc:(#[0-9a-f]+)/)||[])[1]),  // strip color
            width = parseInt((o.match(/(\d+)px/)||[])[1]) || 10, // corner width
            re = /round|bevelfold|bevel|notch|bite|cool|sharp|slide|jut|curl|tear|fray|wicked|sculpt|long|dog3|dog2|dogfold|dog/,
            fx = ((o.match(re)||['round'])[0]),
            fold = /dogfold|bevelfold/.test(o),
            edges = { T:0, B:1 },
            opts = {
                TL:  /top|tl|left/.test(o),       TR:  /top|tr|right/.test(o),
                BL:  /bottom|bl|left/.test(o),    BR:  /bottom|br|right/.test(o)
            },
            // vars used in func later
            strip, pad, cssHeight, j, bot, d, ds, bw, i, w, e, c, common, $horz;
        
        if ( !opts.TL && !opts.TR && !opts.BL && !opts.BR )
            opts = { TL:1, TR:1, BL:1, BR:1 };
            
        // support native rounding
        if ($.fn.corner.defaults.useNative && fx == 'round' && (radius || moz || webkit) && !cc && !sc) {
            if (opts.TL)
                $this.css(radius ? 'border-top-left-radius' : moz ? '-moz-border-radius-topleft' : '-webkit-border-top-left-radius', width + 'px');
            if (opts.TR)
                $this.css(radius ? 'border-top-right-radius' : moz ? '-moz-border-radius-topright' : '-webkit-border-top-right-radius', width + 'px');
            if (opts.BL)
                $this.css(radius ? 'border-bottom-left-radius' : moz ? '-moz-border-radius-bottomleft' : '-webkit-border-bottom-left-radius', width + 'px');
            if (opts.BR)
                $this.css(radius ? 'border-bottom-right-radius' : moz ? '-moz-border-radius-bottomright' : '-webkit-border-bottom-right-radius', width + 'px');
            return;
        }
            
        strip = document.createElement('div');
        $(strip).css({
            overflow: 'hidden',
            height: '1px',
            minHeight: '1px',
            fontSize: '1px',
            backgroundColor: sc || 'transparent',
            borderStyle: 'solid'
        });
    
        pad = {
            T: parseInt($.css(this,'paddingTop'))||0,     R: parseInt($.css(this,'paddingRight'))||0,
            B: parseInt($.css(this,'paddingBottom'))||0,  L: parseInt($.css(this,'paddingLeft'))||0
        };

        if (typeof this.style.zoom != undefined) this.style.zoom = 1; // force 'hasLayout' in IE
        if (!keep) this.style.border = 'none';
        strip.style.borderColor = cc || gpc(this.parentNode);
        cssHeight = $(this).outerHeight();

        for (j in edges) {
            bot = edges[j];
            // only add stips if needed
            if ((bot && (opts.BL || opts.BR)) || (!bot && (opts.TL || opts.TR))) {
                strip.style.borderStyle = 'none '+(opts[j+'R']?'solid':'none')+' none '+(opts[j+'L']?'solid':'none');
                d = document.createElement('div');
                $(d).addClass('jquery-corner');
                ds = d.style;

                bot ? this.appendChild(d) : this.insertBefore(d, this.firstChild);

                if (bot && cssHeight != 'auto') {
                    if ($.css(this,'position') == 'static')
                        this.style.position = 'relative';
                    ds.position = 'absolute';
                    ds.bottom = ds.left = ds.padding = ds.margin = '0';
                    if (expr)
                        ds.setExpression('width', 'this.parentNode.offsetWidth');
                    else
                        ds.width = '100%';
                }
                else if (!bot && $.browser.msie) {
                    if ($.css(this,'position') == 'static')
                        this.style.position = 'relative';
                    ds.position = 'absolute';
                    ds.top = ds.left = ds.right = ds.padding = ds.margin = '0';
                    
                    // fix ie6 problem when blocked element has a border width
                    if (expr) {
                        bw = sz(this,'borderLeftWidth') + sz(this,'borderRightWidth');
                        ds.setExpression('width', 'this.parentNode.offsetWidth - '+bw+'+ "px"');
                    }
                    else
                        ds.width = '100%';
                }
                else {
                    ds.position = 'relative';
                    ds.margin = !bot ? '-'+pad.T+'px -'+pad.R+'px '+(pad.T-width)+'px -'+pad.L+'px' : 
                                        (pad.B-width)+'px -'+pad.R+'px -'+pad.B+'px -'+pad.L+'px';                
                }

                for (i=0; i < width; i++) {
                    w = Math.max(0,getWidth(fx,i, width));
                    e = strip.cloneNode(false);
                    e.style.borderWidth = '0 '+(opts[j+'R']?w:0)+'px 0 '+(opts[j+'L']?w:0)+'px';
                    bot ? d.appendChild(e) : d.insertBefore(e, d.firstChild);
                }
                
                if (fold && $.support.boxModel) {
                    if (bot && noBottomFold) continue;
                    for (c in opts) {
                        if (!opts[c]) continue;
                        if (bot && (c == 'TL' || c == 'TR')) continue;
                        if (!bot && (c == 'BL' || c == 'BR')) continue;
                        
                        common = { position: 'absolute', border: 'none', margin: 0, padding: 0, overflow: 'hidden', backgroundColor: strip.style.borderColor };
                        $horz = $('<div/>').css(common).css({ width: width + 'px', height: '1px' });
                        switch(c) {
                        case 'TL': $horz.css({ bottom: 0, left: 0 }); break;
                        case 'TR': $horz.css({ bottom: 0, right: 0 }); break;
                        case 'BL': $horz.css({ top: 0, left: 0 }); break;
                        case 'BR': $horz.css({ top: 0, right: 0 }); break;
                        }
                        d.appendChild($horz[0]);
                        
                        var $vert = $('<div/>').css(common).css({ top: 0, bottom: 0, width: '1px', height: width + 'px' });
                        switch(c) {
                        case 'TL': $vert.css({ left: width }); break;
                        case 'TR': $vert.css({ right: width }); break;
                        case 'BL': $vert.css({ left: width }); break;
                        case 'BR': $vert.css({ right: width }); break;
                        }
                        d.appendChild($vert[0]);
                    }
                }
            }
        }
    });
};

$.fn.uncorner = function() { 
    if (radius || moz || webkit)
        this.css(radius ? 'border-radius' : moz ? '-moz-border-radius' : '-webkit-border-radius', 0);
    $('div.jquery-corner', this).remove();
    return this;
};

// expose options
$.fn.corner.defaults = {
    useNative: true, // true if plugin should attempt to use native browser support for border radius rounding
    metaAttr:  'data-corner' // name of meta attribute to use for options
};
    
})(jQuery);



/* -------------------------------------------------- *
 * ToggleVal Plugin for jQuery                        *
 * Version 1.0                                        *
 * -------------------------------------------------- *
 * Author:   Aaron Kuzemchak                          *
 * URL:      http://kuzemchak.net/                    *
 * E-mail:   afkuzemchak@gmail.com                    *
 * Date:     8/18/2007                                *
 * -------------------------------------------------- */

jQuery.fn.toggleVal = function(focusClass) {
	this.each(function() {
		$(this).focus(function() {
			// clear value if current value is the default
			if($(this).val() == this.defaultValue) { $(this).val(""); }
			
			// if focusClass is set, add the class
			if(focusClass) { $(this).addClass(focusClass); }
		}).blur(function() {
			// restore to the default value if current value is empty
			if($(this).val() == "") { $(this).val(this.defaultValue); }
			
			// if focusClass is set, remove class
			if(focusClass) { $(this).removeClass(focusClass); }
		});
	});
}

$(document).ready(function() {
	$(".searchBox, textarea").toggleVal();
});



// font size
jQuery(function($){
    //変数にクッキー名を入れる
    var history = $.cookie('fontSize');
	
    //適用する箇所を指定。今回は部分的に#test内のpに
    var elm = $('body');
	
    //変数が空ならfontMを、空でなければクッキーに保存しておいたものを適用
    (!history)? elm.addClass('textSizeM'):elm.addClass(history);
	
    //クリックしたら実行
    $('li','#textSize').click(function(){
	
        //クリックした要素のID名を変数にセット
        var setFontSize = this.id;
	    
        //クッキーに変数を保存
    	$.cookie('fontSize', setFontSize);
		
        //一度classを除去して、変数をclassとして追加
        elm.removeClass().addClass(setFontSize);
    });
});