/*

 * yuga.js 0.7.1 - 優雅なWeb制作のためのJS

 *

 * Copyright (c) 2009 Kyosuke Nakamura (kyosuke.jp)

 * Licensed under the MIT License:

 * http://www.opensource.org/licenses/mit-license.php

 *

 * Since:     2006-10-30

 * Modified:  2009-01-27

 *

 * jQuery 1.3.1

 * ThickBox 3.1

 */

 



(function($) {

    

    $(function() {

        $.yuga.selflink({

            changeImgSelf:true,

            changeImgParents:true

        });

        $.yuga.rollover();

        $.yuga.scroll();

        $.yuga.stripe();

        $.yuga.css3class();

    });



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



    $.yuga = {

        // URIを解析したオブジェクトを返すfunction

        Uri: function(path){

            var self = this;

            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]];

            }

            this.querys = {};

            if(this.query){

                $.each(self.query.split('&'), function(){

                    var a = this.split('=');

                    if (a.length == 2) self.querys[a[0]] = a[1];

                });

            }

        },

        //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({

                selfLinkAreaSelector:'.loc',

                selfLinkClass:'current',

                parentsLinkClass:'current',

                postfix: '_o',

                changeImgSelf:true,

                changeImgParents:true

            }, options);

            $(c.selfLinkAreaSelector+((c.selfLinkAreaSelector)?' ':'')+'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 = c.changeImgSelf;

                } else if (0 <= location.href.search(href.absolutePath)) {

                    //親ディレクトリリンク

                    $(this).addClass(c.parentsLinkClass);

                    setImgFlg = c.changeImgParents;

                }

                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(new RegExp('('+c.postfix+')?(\.gif|\.jpg|\.png)$'), c.postfix+"$2");

                        $(this).attr('src',this.currentSrc);

                    });

                }

            });

        },

        //ロールオーバー

        rollover: function(options) {

            var c = $.extend({

                hoverSelector: '.btn, .allbtn img',

                groupSelector: '.btngroup',

                postfix: '_o'

            }, options);

            //ロールオーバーするノードの初期化

            var rolloverImgs = $(c.hoverSelector).filter(isNotCurrent);

            rolloverImgs.each(function(){

                this.originalSrc = $(this).attr('src');

                this.rolloverSrc = this.originalSrc.replace(new RegExp('('+c.postfix+')?(\.gif|\.jpg|\.png)$'), c.postfix+"$2");

                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 groupingImgs = $(c.groupSelector).find('img').filter(isRolloverImg);



            //通常ロールオーバー

            rolloverImgs.not(groupingImgs).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(isRolloverImg).each(function(){

                    $(this).attr('src',this.rolloverSrc);

                });

            },function(){

                $(this).find('img').filter(isRolloverImg).each(function(){

                    $(this).attr('src',this.originalSrc);

                });

            });

            //フィルタ用function

            function isNotCurrent(i){

                return Boolean(!this.currentSrc);

            }

            function isRolloverImg(i){

                return Boolean(this.rolloverSrc);

            }



        },

        //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:100,

                    step:20,

                    fps:200,

                    fragment:''

                }, 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

                        setFragment(param.hrefdata.absolutePath);

                        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); 

                    } else {

                        //キャンセル発生

                        if (getCurrentY()+getViewportHeight() == getDocumentHeight()) {

                            //画面下のためスクロール終了

                            setFragment(param.hrefdata.absolutePath);

                        }

                    }

                }

                function setFragment(path){

                    location.href = path

                }

                function getCurrentY() {

                    return document.body.scrollTop  || document.documentElement.scrollTop;

                }

                function getCurrentX() {

                    return document.body.scrollLeft  || document.documentElement.scrollLeft;

                }

                function getDocumentHeight(){

                    return document.documentElement.scrollHeight || document.body.scrollHeight;

                }

                function getViewportHeight(){

                    return (!$.browser.safari && !$.browser.opera) ? document.documentElement.clientHeight || document.body.clientHeight || document.body.scrollHeight : window.innerHeight;

                }

                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 == 0) target = $('a[name='+this.hrefdata.fragment+']');

                if (target.length) {

                    scroller.set({

                        endY: target.offset().top,

                        hrefdata: this.hrefdata

                    });

                    return false;

                }

            });

        },

        //奇数、偶数を自動追加

        stripe: function(options) {

            var c = $.extend({

                oddClass:'odd',

                evenClass:'even'

            }, options);

            $('.stripe').each(function(){

                $(this).children(':odd').addClass(c.evenClass);

                $(this).children(':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);



// minmax.js: make IE5+/Win support CSS min/max-width/height

// version 1.0, 08-Aug-2003

// written by Andrew Clover <and@doxdesk.com>, use freely



/*@cc_on

@if (@_win32 && @_jscript_version>4)



var minmax_elements;



minmax_props= new Array(

  new Array('min-width', 'minWidth'),

  new Array('max-width', 'maxWidth'),

  new Array('min-height','minHeight'),

  new Array('max-height','maxHeight')

);



// Binding. Called on all new elements. If <body>, initialise; check all

// elements for minmax properties



function minmax_bind(el) {

  var i, em, ms;

  var st= el.style, cs= el.currentStyle;



  if (minmax_elements==window.undefined) {

    // initialise when body element has turned up, but only on IE

    if (!document.body || !document.body.currentStyle) return;

    minmax_elements= new Array();

    window.attachEvent('onresize', minmax_delayout);

    // make font size listener

    em= document.createElement('div');

    em.setAttribute('id', 'minmax_em');

    em.style.position= 'absolute'; em.style.visibility= 'hidden';

    em.style.fontSize= 'xx-large'; em.style.height= '5em';

    em.style.top='-5em'; em.style.left= '0';

    if (em.style.setExpression) {

      em.style.setExpression('width', 'minmax_checkFont()');

      document.body.insertBefore(em, document.body.firstChild);

    }

  }



  // transform hyphenated properties the browser has not caught to camelCase

  for (i= minmax_props.length; i-->0;)

    if (cs[minmax_props[i][0]])

      st[minmax_props[i][1]]= cs[minmax_props[i][0]];

  // add element with properties to list, store optimal size values

  for (i= minmax_props.length; i-->0;) {

    ms= cs[minmax_props[i][1]];

    if (ms && ms!='auto' && ms!='none' && ms!='0' && ms!='') {

      st.minmaxWidth= cs.width; st.minmaxHeight= cs.height;

      minmax_elements[minmax_elements.length]= el;

      // will need a layout later

      minmax_delayout();

      break;

  } }

}



// check for font size changes



var minmax_fontsize= 0;

function minmax_checkFont() {

  var fs= document.getElementById('minmax_em').offsetHeight;

  if (minmax_fontsize!=fs && minmax_fontsize!=0)

    minmax_delayout();

  minmax_fontsize= fs;

  return '5em';

}



// Layout. Called after window and font size-change. Go through elements we

// picked out earlier and set their size to the minimum, maximum and optimum,

// choosing whichever is appropriate



// Request re-layout at next available moment

var minmax_delaying= false;

function minmax_delayout() {

  if (minmax_delaying) return;

  minmax_delaying= true;

  window.setTimeout(minmax_layout, 0);

}



function minmax_stopdelaying() {

  minmax_delaying= false;

}



function minmax_layout() {

  window.setTimeout(minmax_stopdelaying, 100);

  var i, el, st, cs, optimal, inrange;

  for (i= minmax_elements.length; i-->0;) {

    el= minmax_elements[i]; st= el.style; cs= el.currentStyle;



    // horizontal size bounding

    st.width= st.minmaxWidth; optimal= el.offsetWidth;

    inrange= true;

    if (inrange && cs.minWidth && cs.minWidth!='0' && cs.minWidth!='auto' && cs.minWidth!='') {

      st.width= cs.minWidth;

      inrange= (el.offsetWidth<optimal);

    }

    if (inrange && cs.maxWidth && cs.maxWidth!='none' && cs.maxWidth!='auto' && cs.maxWidth!='') {

      st.width= cs.maxWidth;

      inrange= (el.offsetWidth>optimal);

    }

    if (inrange) st.width= st.minmaxWidth;



    // vertical size bounding

    st.height= st.minmaxHeight; optimal= el.offsetHeight;

    inrange= true;

    if (inrange && cs.minHeight && cs.minHeight!='0' && cs.minHeight!='auto' && cs.minHeight!='') {

      st.height= cs.minHeight;

      inrange= (el.offsetHeight<optimal);

    }

    if (inrange && cs.maxHeight && cs.maxHeight!='none' && cs.maxHeight!='auto' && cs.maxHeight!='') {

      st.height= cs.maxHeight;

      inrange= (el.offsetHeight>optimal);

    }

    if (inrange) st.height= st.minmaxHeight;

  }

}



// Scanning. Check document every so often until it has finished loading. Do

// nothing until <body> arrives, then call main init. Pass any new elements

// found on each scan to be bound   



var minmax_SCANDELAY= 500;



function minmax_scan() {

  var el;

  for (var i= 0; i<document.all.length; i++) {

    el= document.all[i];

    if (!el.minmax_bound) {

      el.minmax_bound= true;

      minmax_bind(el);

  } }

}



var minmax_scanner;

function minmax_stop() {

  window.clearInterval(minmax_scanner);

  minmax_scan();

}



minmax_scan();

minmax_scanner= window.setInterval(minmax_scan, minmax_SCANDELAY);

window.attachEvent('onload', minmax_stop);



@end @*/