// JavaScript Document


/**
* DD_belatedPNG: Adds IE6 support: PNG images for CSS background-image and HTML <IMG/>.
* Author: Drew Diller
* Email: drew.diller@gmail.com
* URL: http://www.dillerdesign.com/experiment/DD_belatedPNG/
* Version: 0.0.8a
* Licensed under the MIT License: http://dillerdesign.com/experiment/DD_belatedPNG/#license
*
* Example usage:
* DD_belatedPNG.fix('.png_bg'); // argument is a CSS selector
* DD_belatedPNG.fixPng( someNode ); // argument is an HTMLDomElement
**/

/*
PLEASE READ:
Absolutely everything in this script is SILLY.  I know this.  IE's rendering of certain pixels doesn't make sense, so neither does this code!
*/
if (typeof document.documentElement.style.msInterpolationMode != "undefined") {
// IE 7 以上
} else {
// IE 6 以下と、モダンブラウザー



var DD_belatedPNG = {
	ns: 'DD_belatedPNG',
	imgSize: {},
	delay: 10,
	nodesFixed: 0,
	createVmlNameSpace: function () { /* enable VML */
		if (document.namespaces && !document.namespaces[this.ns]) {
			document.namespaces.add(this.ns, 'urn:schemas-microsoft-com:vml');
		}
	},
	createVmlStyleSheet: function () { /* style VML, enable behaviors */
		/*
			Just in case lots of other developers have added
			lots of other stylesheets using document.createStyleSheet
			and hit the 31-limit mark, let's not use that method!
			further reading: http://msdn.microsoft.com/en-us/library/ms531194(VS.85).aspx
		*/
		var screenStyleSheet, printStyleSheet;
		screenStyleSheet = document.createElement('style');
		screenStyleSheet.setAttribute('media', 'screen');
		document.documentElement.firstChild.insertBefore(screenStyleSheet, document.documentElement.firstChild.firstChild);
		if (screenStyleSheet.styleSheet) {
			screenStyleSheet = screenStyleSheet.styleSheet;
			screenStyleSheet.addRule(this.ns + '\\:*', '{behavior:url(#default#VML)}');
			screenStyleSheet.addRule(this.ns + '\\:shape', 'position:absolute;');
			screenStyleSheet.addRule('img.' + this.ns + '_sizeFinder', 'behavior:none; border:none; position:absolute; z-index:-1; top:-10000px; visibility:hidden;'); /* large negative top value for avoiding vertical scrollbars for large images, suggested by James O'Brien, http://www.thanatopsic.org/hendrik/ */
			this.screenStyleSheet = screenStyleSheet;
			
			/* Add a print-media stylesheet, for preventing VML artifacts from showing up in print (including preview). */
			/* Thanks to R駑i Pr騅ost for automating this! */
			printStyleSheet = document.createElement('style');
			printStyleSheet.setAttribute('media', 'print');
			document.documentElement.firstChild.insertBefore(printStyleSheet, document.documentElement.firstChild.firstChild);
			printStyleSheet = printStyleSheet.styleSheet;
			printStyleSheet.addRule(this.ns + '\\:*', '{display: none !important;}');
			printStyleSheet.addRule('img.' + this.ns + '_sizeFinder', '{display: none !important;}');
		}
	},
	readPropertyChange: function () {
		var el, display, v;
		el = event.srcElement;
		if (!el.vmlInitiated) {
			return;
		}
		if (event.propertyName.search('background') != -1 || event.propertyName.search('border') != -1) {
			DD_belatedPNG.applyVML(el);
		}
		if (event.propertyName == 'style.display') {
			display = (el.currentStyle.display == 'none') ? 'none' : 'block';
			for (v in el.vml) {
				if (el.vml.hasOwnProperty(v)) {
					el.vml[v].shape.style.display = display;
				}
			}
		}
		if (event.propertyName.search('filter') != -1) {
			DD_belatedPNG.vmlOpacity(el);
		}
	},
	vmlOpacity: function (el) {
		if (el.currentStyle.filter.search('lpha') != -1) {
			var trans = el.currentStyle.filter;
			trans = parseInt(trans.substring(trans.lastIndexOf('=')+1, trans.lastIndexOf(')')), 10)/100;
			el.vml.color.shape.style.filter = el.currentStyle.filter; /* complete guesswork */
			el.vml.image.fill.opacity = trans; /* complete guesswork */
		}
	},
	handlePseudoHover: function (el) {
		setTimeout(function () { /* wouldn't work as intended without setTimeout */
			DD_belatedPNG.applyVML(el);
		}, 1);
	},
	/**
	* This is the method to use in a document.
	* @param {String} selector - REQUIRED - a CSS selector, such as '#doc .container'
	**/
	fix: function (selector) {
		if (this.screenStyleSheet) {
			var selectors, i;
			selectors = selector.split(','); /* multiple selectors supported, no need for multiple calls to this anymore */
			for (i=0; i<selectors.length; i++) {
				this.screenStyleSheet.addRule(selectors[i], 'behavior:expression(DD_belatedPNG.fixPng(this))'); /* seems to execute the function without adding it to the stylesheet - interesting... */
			}
		}
	},
	applyVML: function (el) {
		el.runtimeStyle.cssText = '';
		this.vmlFill(el);
		this.vmlOffsets(el);
		this.vmlOpacity(el);
		if (el.isImg) {
			this.copyImageBorders(el);
		}
	},
	attachHandlers: function (el) {
		var self, handlers, handler, moreForAs, a, h;
		self = this;
		handlers = {resize: 'vmlOffsets', move: 'vmlOffsets'};
		if (el.nodeName == 'A') {
			moreForAs = {mouseleave: 'handlePseudoHover', mouseenter: 'handlePseudoHover', focus: 'handlePseudoHover', blur: 'handlePseudoHover'};
			for (a in moreForAs) {			
				if (moreForAs.hasOwnProperty(a)) {
					handlers[a] = moreForAs[a];
				}
			}
		}
		for (h in handlers) {
			if (handlers.hasOwnProperty(h)) {
				handler = function () {
					self[handlers[h]](el);
				};
				el.attachEvent('on' + h, handler);
			}
		}
		el.attachEvent('onpropertychange', this.readPropertyChange);
	},
	giveLayout: function (el) {
		el.style.zoom = 1;
		if (el.currentStyle.position == 'static') {
			el.style.position = 'relative';
		}
	},
	copyImageBorders: function (el) {
		var styles, s;
		styles = {'borderStyle':true, 'borderWidth':true, 'borderColor':true};
		for (s in styles) {
			if (styles.hasOwnProperty(s)) {
				el.vml.color.shape.style[s] = el.currentStyle[s];
			}
		}
	},
	vmlFill: function (el) {
		if (!el.currentStyle) {
			return;
		} else {
			var elStyle, noImg, lib, v, img, imgLoaded;
			elStyle = el.currentStyle;
		}
		for (v in el.vml) {
			if (el.vml.hasOwnProperty(v)) {
				el.vml[v].shape.style.zIndex = elStyle.zIndex;
			}
		}
		el.runtimeStyle.backgroundColor = '';
		el.runtimeStyle.backgroundImage = '';
		noImg = true;
		if (elStyle.backgroundImage != 'none' || el.isImg) {
			if (!el.isImg) {
				el.vmlBg = elStyle.backgroundImage;
				el.vmlBg = el.vmlBg.substr(5, el.vmlBg.lastIndexOf('")')-5);
			}
			else {
				el.vmlBg = el.src;
			}
			lib = this;
			if (!lib.imgSize[el.vmlBg]) { /* determine size of loaded image */
				img = document.createElement('img');
				lib.imgSize[el.vmlBg] = img;
				img.className = lib.ns + '_sizeFinder';
				img.runtimeStyle.cssText = 'behavior:none; position:absolute; left:-10000px; top:-10000px; border:none; margin:0; padding:0;'; /* make sure to set behavior to none to prevent accidental matching of the helper elements! */
				imgLoaded = function () {
					this.width = this.offsetWidth; /* weird cache-busting requirement! */
					this.height = this.offsetHeight;
					lib.vmlOffsets(el);
				};
				img.attachEvent('onload', imgLoaded);
				img.src = el.vmlBg;
				img.removeAttribute('width');
				img.removeAttribute('height');
				document.body.insertBefore(img, document.body.firstChild);
			}
			el.vml.image.fill.src = el.vmlBg;
			noImg = false;
		}
		el.vml.image.fill.on = !noImg;
		el.vml.image.fill.color = 'none';
		el.vml.color.shape.style.backgroundColor = elStyle.backgroundColor;
		el.runtimeStyle.backgroundImage = 'none';
		el.runtimeStyle.backgroundColor = 'transparent';
	},
	/* IE can't figure out what do when the offsetLeft and the clientLeft add up to 1, and the VML ends up getting fuzzy... so we have to push/enlarge things by 1 pixel and then clip off the excess */
	vmlOffsets: function (el) {
		var thisStyle, size, fudge, makeVisible, bg, bgR, dC, altC, b, c, v;
		thisStyle = el.currentStyle;
		size = {'W':el.clientWidth+1, 'H':el.clientHeight+1, 'w':this.imgSize[el.vmlBg].width, 'h':this.imgSize[el.vmlBg].height, 'L':el.offsetLeft, 'T':el.offsetTop, 'bLW':el.clientLeft, 'bTW':el.clientTop};
		fudge = (size.L + size.bLW == 1) ? 1 : 0;
		/* vml shape, left, top, width, height, origin */
		makeVisible = function (vml, l, t, w, h, o) {
			vml.coordsize = w+','+h;
			vml.coordorigin = o+','+o;
			vml.path = 'm0,0l'+w+',0l'+w+','+h+'l0,'+h+' xe';
			vml.style.width = w + 'px';
			vml.style.height = h + 'px';
			vml.style.left = l + 'px';
			vml.style.top = t + 'px';
		};
		makeVisible(el.vml.color.shape, (size.L + (el.isImg ? 0 : size.bLW)), (size.T + (el.isImg ? 0 : size.bTW)), (size.W-1), (size.H-1), 0);
		makeVisible(el.vml.image.shape, (size.L + size.bLW), (size.T + size.bTW), (size.W), (size.H), 1 );
		bg = {'X':0, 'Y':0};
		if (el.isImg) {
			bg.X = parseInt(thisStyle.paddingLeft, 10) + 1;
			bg.Y = parseInt(thisStyle.paddingTop, 10) + 1;
		}
		else {
			for (b in bg) {
				if (bg.hasOwnProperty(b)) {
					this.figurePercentage(bg, size, b, thisStyle['backgroundPosition'+b]);
				}
			}
		}
		el.vml.image.fill.position = (bg.X/size.W) + ',' + (bg.Y/size.H);
		bgR = thisStyle.backgroundRepeat;
		dC = {'T':1, 'R':size.W+fudge, 'B':size.H, 'L':1+fudge}; /* these are defaults for repeat of any kind */
		altC = { 'X': {'b1': 'L', 'b2': 'R', 'd': 'W'}, 'Y': {'b1': 'T', 'b2': 'B', 'd': 'H'} };
		if (bgR != 'repeat' || el.isImg) {
			c = {'T':(bg.Y), 'R':(bg.X+size.w), 'B':(bg.Y+size.h), 'L':(bg.X)}; /* these are defaults for no-repeat - clips down to the image location */
			if (bgR.search('repeat-') != -1) { /* now let's revert to dC for repeat-x or repeat-y */
				v = bgR.split('repeat-')[1].toUpperCase();
				c[altC[v].b1] = 1;
				c[altC[v].b2] = size[altC[v].d];
			}
			if (c.B > size.H) {
				c.B = size.H;
			}
			el.vml.image.shape.style.clip = 'rect('+c.T+'px '+(c.R+fudge)+'px '+c.B+'px '+(c.L+fudge)+'px)';
		}
		else {
			el.vml.image.shape.style.clip = 'rect('+dC.T+'px '+dC.R+'px '+dC.B+'px '+dC.L+'px)';
		}
	},
	figurePercentage: function (bg, size, axis, position) {
		var horizontal, fraction;
		fraction = true;
		horizontal = (axis == 'X');
		switch(position) {
			case 'left':
			case 'top':
				bg[axis] = 0;
				break;
			case 'center':
				bg[axis] = 0.5;
				break;
			case 'right':
			case 'bottom':
				bg[axis] = 1;
				break;
			default:
				if (position.search('%') != -1) {
					bg[axis] = parseInt(position, 10) / 100;
				}
				else {
					fraction = false;
				}
		}
		bg[axis] = Math.ceil(  fraction ? ( (size[horizontal?'W': 'H'] * bg[axis]) - (size[horizontal?'w': 'h'] * bg[axis]) ) : parseInt(position, 10)  );
		if (bg[axis] % 2 === 0) {
			bg[axis]++;
		}
		return bg[axis];
	},
	fixPng: function (el) {
		el.style.behavior = 'none';
		var lib, els, nodeStr, v, e;
		if (el.nodeName == 'BODY' || el.nodeName == 'TD' || el.nodeName == 'TR') { /* elements not supported yet */
			return;
		}
		el.isImg = false;
		if (el.nodeName == 'IMG') {
			if(el.src.toLowerCase().search(/\.png$/) != -1) {
				el.isImg = true;
				el.style.visibility = 'hidden';
			}
			else {
				return;
			}
		}
		else if (el.currentStyle.backgroundImage.toLowerCase().search('.png') == -1) {
			return;
		}
		lib = DD_belatedPNG;
		el.vml = {color: {}, image: {}};
		els = {shape: {}, fill: {}};
		for (v in el.vml) {
			if (el.vml.hasOwnProperty(v)) {
				for (e in els) {
					if (els.hasOwnProperty(e)) {
						nodeStr = lib.ns + ':' + e;
						el.vml[v][e] = document.createElement(nodeStr);
					}
				}
				el.vml[v].shape.stroked = false;
				el.vml[v].shape.appendChild(el.vml[v].fill);
				el.parentNode.insertBefore(el.vml[v].shape, el);
			}
		}
		el.vml.image.shape.fillcolor = 'none'; /* Don't show blank white shapeangle when waiting for image to load. */
		el.vml.image.fill.type = 'tile'; /* Makes image show up. */
		el.vml.color.fill.on = false; /* Actually going to apply vml element's style.backgroundColor, so hide the whiteness. */
		lib.attachHandlers(el);
		lib.giveLayout(el);
		lib.giveLayout(el.offsetParent);
		el.vmlInitiated = true;
		lib.applyVML(el); /* Render! */
	}
};
try {
	document.execCommand("BackgroundImageCache", false, true); /* TredoSoft Multiple IE doesn't like this, so try{} it */
} catch(r) {}
DD_belatedPNG.createVmlNameSpace();
DD_belatedPNG.createVmlStyleSheet();



DD_belatedPNG.fix('img, .png_bg');
}


//////////////////////////////////////////////////////// Height control

jQuery.changeLetterSize = {
	handlers : [],
	interval : 1000,
	currentSize: 0
};

(function($) {

	var self = $.changeLetterSize;

	/* 文字の大きさを確認するためのins要素 */
	var ins = $('<ins>M</ins>').css({
		display: 'block',
		visibility: 'hidden',
		position: 'absolute',
		padding: '0',
		top: '0'
	});

	/* 文字の大きさが変わったか */
	var isChanged = function() {
		ins.appendTo('body');
		var size = ins[0].offsetHeight;
		ins.remove();
		if (self.currentSize == size) return false;
		self.currentSize = size;
		return true;
	};

	/* 文書を読み込んだ時点で
	   文字の大きさを確認しておく */
	$(isChanged);

	/* 文字の大きさが変わっていたら、
	   handlers中の関数を順に実行 */
	var observer = function() {
		if (!isChanged()) return;
		$.each(self.handlers, function(i, handler) {
			handler();
		});
	};

	/* ハンドラを登録し、
	   最初の登録であれば、定期処理を開始 */
	self.addHandler = function(func) {
		self.handlers.push(func);
		if (self.handlers.length == 1) {
			setInterval(observer, self.interval);
		}
	};

})(jQuery);

/*
======================================================================
	$(expr).flatHeights()
	$(expr)で選択した複数の要素について、それぞれ高さを
	一番高いものに揃える
======================================================================
*/




(function($) {

	/* 対象となる要素群の集合 */
	var sets = [];

	/* 高さ揃えの処理本体 */
	var flatHeights = function(set) {
		var maxHeight = 0;
		set.each(function(){
			var height = this.offsetHeight;
			if (height > maxHeight) maxHeight = height;
		});
		set.css('height', maxHeight + 'px');
	};

	/* 要素群の高さを揃え、setsに追加 */
	jQuery.fn.flatHeights = function() {
		if (this.length > 1) {
			flatHeights(this);
			sets.push(this);
		}
		return this;
	};

	/* 高さ揃えを再実行する処理 */
	var reflatting = function() {
		$.each(sets, function() {
			this.height('auto');
			flatHeights(this);
		});
	};

	/* 文字の大きさが変わった時に高さ揃えを再実行 */
	$.changeLetterSize.addHandler(reflatting);

	/* ウィンドウの大きさが変わった時に高さ揃えを再実行 */
	$(window).resize(reflatting);

})(jQuery);





// JavaScript css height

$(function() {
    $('#contents, #left_box').flatHeights();
    $('.height_equal').flatHeights();
	$('.ftrsitemap').flatHeights();
    $('#publications .section').flatHeights();//  /news_center/publications/index.htm
    $('#image_library_others .section').flatHeights();//  /news_center/publications/index.htm
});



//////////////////////////////////////////////////////// Scroll control

var scrolltotop={
	//startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control
	//scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top).
	setting: {startline:100, scrollto: 0, scrollduration:1, fadeduration:[500, 100]},
	controlHTML: '<img src="/common/img/up.png" style="width:80px; height:23px" />', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol"
	controlattrs: {offsetx:5, offsety:0}, //offset of control relative to right/ bottom of window corner
	anchorkeyword: '#header', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links

	state: {isvisible:false, shouldvisible:false},

	scrollup:function(){
		if (!this.cssfixedsupport) //if control is positioned using JavaScript
			this.$control.css({opacity:0}) //hide control immediately after clicking it
		var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto)
		if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists
			dest=jQuery('#'+dest).offset().top
		else
			dest=0
		this.$body.animate({scrollTop: dest}, this.setting.scrollduration);
	},

	keepfixed:function(){
		var $window=jQuery(window)
		var controlx=$window.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx
		var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety
		this.$control.css({left:controlx+'px', top:controly+'px'})
	},

	togglecontrol:function(){
		var scrolltop=jQuery(window).scrollTop()
		if (!this.cssfixedsupport)
			this.keepfixed()
		this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false
		if (this.state.shouldvisible && !this.state.isvisible){
			this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])
			this.state.isvisible=true
		}
		else if (this.state.shouldvisible==false && this.state.isvisible){
			this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])
			this.state.isvisible=false
		}
	},
	
	init:function(){
		jQuery(document).ready(function($){
			var mainobj=scrolltotop
			var iebrws=document.all
			mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode
			mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')
			mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
				.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
				.attr({title:'Scroll Back to Top'})
				.click(function(){mainobj.scrollup(); return false})
				.appendTo('body')
			if (document.all && !window.XMLHttpRequest && mainobj.$control.text()!='') //loose check for IE6 and below, plus whether control contains any text
				mainobj.$control.css({width:mainobj.$control.width()}) //IE6- seems to require an explicit width on a DIV containing text
			mainobj.togglecontrol()
			$('a[href="' + mainobj.anchorkeyword +'"]').click(function(){
				mainobj.scrollup()
				return false
			})
			$(window).bind('scroll resize', function(e){
				mainobj.togglecontrol()
			})
		})
	}
}

scrolltotop.init()



////////////// SMARTROLLOVER

function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}
if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}