// JavaScript Document

// 内容

// 01.フェードイン・アウト設定　（最終更新：2007/12/19　編集者:小林）

// 02.PNG透過設定　（追加：2007/12/19）

// 03.ロールオーバー設定　（最終更新：2008/01/08　編集者:小林）

// 04.ボックスの開閉設定　（最終更新：2008/01/15　編集者:小林）





/*01　フェードイン・アウト設定--------------------------------------------------------------------------*/

//初期設定

var crrentBlock="fade0";

var opacityValue=1;

var step=0.1;

var timer;



//start fade

function fadeStart(block){

	if(!timer){

		timer=setInterval("fadeout('"+block+"')",1);

	}

}



//fadeout



function fadeout(block){

	if(opacityValue>=0.05){

		opacityValue-=step;

		

	}else{

		opacityValue=0;

		clearInterval(timer);

		document.getElementById(crrentBlock).style.display="none";

		crrentBlock=block;

		document.getElementById(crrentBlock).style.display="block";

		timer=setInterval("fadein()",1);

	}

	blockOpacity();

}



//fadein

function fadein(){

	if(opacityValue<=1){

		opacityValue+=step;

	}else{

		opacityValue=1;

		clearInterval(timer);

		timer=undefined;

	}

	blockOpacity();

}



//alpha level

function blockOpacity(){

	document.getElementById(crrentBlock).style.opacity=opacityValue;

	document.getElementById(crrentBlock).style.MozOpacity=opacityValue;

	document.getElementById(crrentBlock).style.filter="alpha(opacity="+opacityValue*100+")";

}

/*--------------------------------------------------------------------------*/







/*02 PNG透過設定--------------------------------------------------------------------------*/

/*

 * IE PNG Fix v1.4

 *

 * Copyright (c) 2006 Takashi Aida http://www.isella.com/aod2/

 *

 */



// IE5.5+ PNG Alpha Fix v1.0RC4

// (c) 2004-2005 Angus Turnbull http://www.twinhelix.com



// This is licensed under the CC-GNU LGPL, version 2.1 or later.

// For details, see: http://creativecommons.org/licenses/LGPL/2.1/



if (typeof IEPNGFIX == 'undefined') {

//--============================================================================



var IEPNGFIX = {

	blank:  'http://www.isella.com/aod2/images/blank.gif',

	filter: 'DXImageTransform.Microsoft.AlphaImageLoader',



	fixit: function (elem, src, method) {

		if (elem.filters[this.filter]) {

			var filter = elem.filters[this.filter];

			filter.enabled = true;

			filter.src = src;

			filter.sizingMethod = method;

		}

		else {

			elem.style.filter = 'progid:' + this.filter +

				'(src="' + src + '",sizingMethod="' + method + '")';

		}

	},



	fixwidth: function(elem) {

		if (elem.currentStyle.width == 'auto' &&

			elem.currentStyle.height == 'auto') {

			elem.style.width = elem.offsetWidth + 'px';

		}

	},



	fixchild: function(elem, recursive) {

		if (!/MSIE (5\.5|6\.|7\.)/.test(navigator.userAgent)) return;



		for (var i = 0, n = elem.childNodes.length; i < n; i++) {

			var childNode = elem.childNodes[i];

			if (childNode.style) {

				if (childNode.style.position) {

					childNode.style.position = childNode.style.position;

				}

				else {

					childNode.style.position = 'relative';

				}

			}

			if (recursive && childNode.hasChildNodes()) {

				this.fixchild(childNode, recursive);

			}

		}

	},



	fix: function(elem) {

		if (!/MSIE (5\.5|6\.|7\.)/.test(navigator.userAgent)) return;



		var bgImg =

			elem.currentStyle.backgroundImage || elem.style.backgroundImage;



		if (elem.tagName == 'IMG') {

			if ((/\.png$/i).test(elem.src)) {

				this.fixwidth(elem);

				this.fixit(elem, elem.src, 'scale');

				elem.src = this.blank;

				elem.runtimeStyle.behavior = 'none';

			}

		}

		else if (bgImg && bgImg != 'none') {

			if (bgImg.match(/^url[("']+(.*\.png)[)"']+$/i)) {

				var s = RegExp.$1;

				this.fixwidth(elem);

				elem.style.backgroundImage = 'none';

				this.fixit(elem, s, 'scale'); // crop | image | scale



				if (elem.tagName == 'A' && elem.style) {

					if (!elem.style.cursor) {

						elem.style.cursor = 'pointer';

					}

				}



				this.fixchild(elem);

				elem.runtimeStyle.behavior = 'none';

			}

		}

	},



	hover: function(elem, hvImg) {

		var bgImg = elem.style.backgroundImage;



		if (!bgImg && elem.currentStyle) bgImg = elem.currentStyle.backgroundImage;



		if (elem.tagName == 'IMG' && hvImg) {

			var image = elem.src;

			elem.onmouseover = function() {

				elem.src = hvImg;

				IEPNGFIX.fix(elem);

			};

			elem.onmouseout = function() {

				elem.src = image;

				IEPNGFIX.fix(elem);

			};

		}

		else if (bgImg && bgImg != 'none' && hvImg) {

			elem.onmouseover = function() {

				elem.style.backgroundImage = 'url(' + hvImg + ')';

				IEPNGFIX.fix(elem);

			};

			elem.onmouseout = function() {

				elem.style.backgroundImage = bgImg;

				IEPNGFIX.fix(elem);

			};

		}



		IEPNGFIX.fix(elem);

	}

};



//--============================================================================

} // end if (typeof IEPNGFIX == 'undefined')

/*--------------------------------------------------------------------------*/




/*03　ロールオーバー設定--------------------------------------------------------------------------*/


function RollOver (obj,val) {
  obj.src = val;
}

/*--------------------------------------------------------------------------*/


/*04　開閉設定--------------------------------------------------------------------------*/
function open_close (id){
 if (document.getElementById(id).style.display != 'block'){
 document.getElementById(id).style.display = 'block';
 } else{
 document.getElementById(id).style.display = 'none';

 }
}
/*--------------------------------------------------------------------------*/