/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};


/*
 * jQuery 'onImagesLoaded' plugin v1.1.0
 * Fires callback functions when images have loaded within a particular selector.
 *
 * Copyright (c) Cirkuit Networks, Inc. (http://www.cirkuit.net), 2008.
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * For documentation and usage, visit "http://includes.cirkuit.net/js/jquery/plugins/onImagesLoad/1.1/documentation/"
 */
(function($){$.fn.onImagesLoad=function(options){var self=this;self.opts=$.extend({},$.fn.onImagesLoad.defaults,options);self.bindEvents=function($imgs,container,callback){if($imgs.length===0){if(self.opts.callbackIfNoImagesExist&&callback){callback(container);}}else{var loadedImages=[];if(!$imgs.jquery){$imgs=$($imgs);}$imgs.each(function(i,val){$(this).bind('load',function(){if(jQuery.inArray(i,loadedImages)<0){loadedImages.push(i);if(loadedImages.length==$imgs.length){if(callback){callback(container);}}}}).each(function(){if(this.complete||this.complete===undefined){this.src=this.src;}});});}};var imgAry=[];self.each(function(){if(self.opts.itemCallback){var $imgs;if(this.tagName=="IMG"){$imgs=this;}else{$imgs=$('img',this);}self.bindEvents($imgs,this,self.opts.itemCallback);}if(self.opts.selectorCallback){if(this.tagName=="IMG"){imgAry.push(this);}else{$('img',this).each(function(){imgAry.push(this);});}}});if(self.opts.selectorCallback){self.bindEvents(imgAry,this,self.opts.selectorCallback);}return self.each(function(){});};$.fn.onImagesLoad.defaults={selectorCallback:null,itemCallback:null,callbackIfNoImagesExist:false};})(jQuery);


/**
 * Equal Heights Plugin
 * Equalize the heights of elements. Great for columns or any elements
 * that need to be the same size (floats, etc).
 * 
 * Version 1.0
 * Updated 12/10/2008
 *
 * Copyright (c) 2008 Rob Glazebrook (cssnewbie.com) 
 *
 * Usage: $(object).equalHeights([minHeight], [maxHeight]);
 * 
 * Example 1: $(".cols").equalHeights(); Sets all columns to the same height.
 * Example 2: $(".cols").equalHeights(400); Sets all cols to at least 400px tall.
 * Example 3: $(".cols").equalHeights(100,300); Cols are at least 100 but no more
 * than 300 pixels tall. Elements with too much content will gain a scrollbar.
 * 
 */

(function($) {
	$.fn.equalHeights = function(minHeight, maxHeight) {
		tallest = (minHeight) ? minHeight : 0;
		this.each(function() {
			if($(this).height() > tallest) {
				tallest = $(this).height();
			}
		});
		if((maxHeight) && tallest > maxHeight) tallest = maxHeight;
		return this.each(function() {
			$(this).height(tallest).css("overflow","auto");
		});
	}
})(jQuery);


/* =====================================================================
*
*    FontSizeChanger for jQuery
*
* =================================================================== */

function fc(CLASS, SIZE, DAY) {
	var fcClass = CLASS;
	var sizeL = SIZE;
	var expiresDay = DAY;
	var cookieName = 'body.style.fontSize';

	function change(fontSize) {
		$.cookie(cookieName, fontSize, { expires: expiresDay, path: '/' });
		styleChange();
	}

	function styleChange() {
		var fontSize = $.cookie(cookieName);
		if (fontSize == null || fontSize == "100%") {
			$('#btnL').removeClass('active');
			$('#btnD').addClass('active');
		}
		else if (fontSize == sizeL) {
			$('#btnL').addClass('active');
			$('#btnD').removeClass('active');
		}
		$(fcClass).css('font-size', fontSize);
	}

	function reset() {
		$(fcClass).style.fontSize = '';
		$.cookie(cookieName, null, { path: '/' });
	}

	var htmlText = "<span id='btnD' class='active altText' title='文字の大きさ: 標準'>文字の大きさ:[標準]</span>"
	    	 + "<span id='btnL' class='altText' title='文字の大きさ: 大'>文字の大きさ:[大]</span>";
	$("#charaBox").append(htmlText);

	$('#btnD').click( function() { change('100%'); });
	$('#btnL').click( function() { change(sizeL); });

	styleChange();
}


/* Smooth scrolling
   Changes links that link to other parts of this page to scroll
   smoothly to those links rather than jump to them directly, which
   can be a little disorienting.
   
   sil, http://www.kryogenix.org/
   
   v1.0 2003-11-11
   v1.1 2005-06-16 wrap it up in an object
*/

var ss = {
  fixAllLinks: function() {
    // Get a list of all links in the page
    var allLinks = document.getElementsByTagName('a');
    // Walk through the list
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if ((lnk.href && lnk.href.indexOf('#') != -1) && 
          ( (lnk.pathname == location.pathname) ||
	    ('/'+lnk.pathname == location.pathname) ) && 
          (lnk.search == location.search)) {
        // If the link is internal to the page (begins in #)
        // then attach the smoothScroll function as an onclick
        // event handler
        if ( !(lnk.getAttribute("rel") == "noscroll") ) {
          ss.addEvent(lnk,'click',ss.smoothScroll);
        }
      }
    }
  },

  smoothScroll: function(e) {
    // This is an event handler; get the clicked on element,
    // in a cross-browser fashion
    if (window.event) {
      target = window.event.srcElement;
    } else if (e) {
      target = e.target;
    } else return;

    // Make sure that the target is an element, not a text node
    // within an element
    if (target.nodeName.toLowerCase() != 'a') {
      target = target.parentNode;
    }
  
    // Paranoia; check this is an A tag
    if (target.nodeName.toLowerCase() != 'a') return;
  
    // Find the <a name> tag corresponding to this href
    // First strip off the hash (first character)
    anchor = target.hash.substr(1);
    // Now loop all A tags until we find one with that name
    var allLinks = document.getElementsByTagName('a');
    var destinationLink = null;
    for (var i=0;i<allLinks.length;i++) {
      var lnk = allLinks[i];
      if (lnk.name && (lnk.name == anchor)) {
        destinationLink = lnk;
        break;
      }
    }
    if (!destinationLink) destinationLink = document.getElementById(anchor);

    // If we didn't find a destination, give up and let the browser do
    // its thing
    if (!destinationLink) return true;
  
    // Find the destination's position
    var destx = destinationLink.offsetLeft; 
    var desty = destinationLink.offsetTop;
    var thisNode = destinationLink;
    while (thisNode.offsetParent && 
          (thisNode.offsetParent != document.body)) {
      thisNode = thisNode.offsetParent;
      destx += thisNode.offsetLeft;
      desty += thisNode.offsetTop;
    }
  
    // Stop any current scrolling
    clearInterval(ss.INTERVAL);
  
    cypos = ss.getCurrentYPos();
  
    ss_stepsize = parseInt((desty-cypos)/ss.STEPS);
    ss.INTERVAL = setInterval('ss.scrollWindow('+ss_stepsize+','+desty+',"'+anchor+'")',10);
  
    // And stop the actual click happening
    if (window.event) {
      window.event.cancelBubble = true;
      window.event.returnValue = false;
    }
    if (e && e.preventDefault && e.stopPropagation) {
      e.preventDefault();
      e.stopPropagation();
    }
  },

  scrollWindow: function(scramount,dest,anchor) {
    wascypos = ss.getCurrentYPos();
    isAbove = (wascypos < dest);
    window.scrollTo(0,wascypos + scramount);
    iscypos = ss.getCurrentYPos();
    isAboveNow = (iscypos < dest);
    if ((isAbove != isAboveNow) || (wascypos == iscypos)) {
      // if we've just scrolled past the destination, or
      // we haven't moved from the last scroll (i.e., we're at the
      // bottom of the page) then scroll exactly to the link
      window.scrollTo(0,dest);
      // cancel the repeating timer
      clearInterval(ss.INTERVAL);
      // and jump to the link directly so the URL's right
      // location.hash = anchor;
    }
  },

  getCurrentYPos: function() {
    if (document.body && document.body.scrollTop)
      return document.body.scrollTop;
    if (document.documentElement && document.documentElement.scrollTop)
      return document.documentElement.scrollTop;
    if (window.pageYOffset)
      return window.pageYOffset;
    return 0;
  },

  addEvent: function(elm, evType, fn, useCapture) {
    // addEvent and removeEvent
    // cross-browser event handling for IE5+,  NS6 and Mozilla
    // By Scott Andrew
    if (elm.addEventListener){
      elm.addEventListener(evType, fn, useCapture);
      return true;
    } else if (elm.attachEvent){
      var r = elm.attachEvent("on"+evType, fn);
      return r;
    } else {
      alert("Handler could not be removed");
    }
  } 
}

ss.STEPS = 25;

ss.addEvent(window,"load",ss.fixAllLinks);


/* =====================================================================
*
*    Scroll Position
*
* =================================================================== */

var os;
var browser;

var uAgent = navigator.userAgent.toUpperCase();
if (uAgent.indexOf("WINDOWS NT 6") >= 0) { os = "Vista"; }
if (uAgent.indexOf("MSIE 6.0") >= 0) { browser = "IE6"; }


$(document).ready(function(){
	if ($(".smartBannerIdentifier")) {
		appendFN(true);
	}
});


function appendFN(event) {
	if (event) {
		$(window).bind("scroll", floatingNav);	
	} else {
		$(window).unbind("scroll", floatingNav);
	}
}

function floatingNav() {
	var scrollTop = $(window).scrollTop();

	if  (scrollTop > $(".smartBannerIdentifier").offset({ scroll: false }).top) {
	    if (os != "Vista" && browser == "IE6") {
	       $(".banner").css("position", "absolute");
	       $(".banner").css("top", scrollTop);
	    } else {
	       $(".banner").css("position", "fixed");
	       $(".banner").css("top", 0);
	    }
	}

	else {
	    $(".banner").css("position", "relative");
	    $(".banner").css("top", 0);
	}
}