/*******************************

 *         フッター定義

 *******************************/





var tkLib = {

	startY : 2009

	,nowDate:new Date()

	,copyRight:function(){

  	yearstr="";

		if(this.nowDate.getFullYear() == this.startY){

			yearstr += this.startY;

		}else{

			yearstr = "2008-" + this.nowDate.getFullYear();

		}

		document.write("Copyright©　" + yearstr + " TAKEDA ENGLISH SCHOOL Corporation. All rights reserved.");

  }

	

}



/*******************************

 *         ロールオーバー定義

 *******************************/



function initRollovers() {

	if (!document.getElementById) return

	

	var aPreLoad = new Array();

	var sTempSrc;

	var aImages = document.getElementsByTagName('img');



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

		if (aImages[i].className == 'imgover') {

			var src = aImages[i].getAttribute('src');

			var ftype = src.substring(src.lastIndexOf('.'), src.length);

			var hsrc = src.replace(ftype, '_o'+ftype);



			aImages[i].setAttribute('hsrc', hsrc);

			

			aPreLoad[i] = new Image();

			aPreLoad[i].src = hsrc;

			

			aImages[i].onmouseover = function() {

				sTempSrc = this.getAttribute('src');

				this.setAttribute('src', this.getAttribute('hsrc'));

			}	

			

			aImages[i].onmouseout = function() {

				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);

				this.setAttribute('src', sTempSrc);

			}

		}

	}

}









/*******************************

 *     アンカー移動定義

 *******************************/





var pageScrolling = {

	speed : 20,      //set here the scroll speed: when this value increase, the speed decrease. 

	maxStep: 200,	 //set here the "uniform motion" step for long distances

	brakeK: 3,		 //set here the coefficient of slowing down

	hash:null,		

	currentBlock:null,

	requestedY:0,

	init: function() {

			var lnks = document.getElementsByTagName('a');   

			for(var i = 0, lnk; lnk = lnks[i]; i++) {   

				if ((lnk.href && lnk.href.indexOf('#') != -1) &&  ( (lnk.pathname == location.pathname) ||

				('/'+lnk.pathname == location.pathname) ) && (lnk.search == location.search)) {  

				lnk.onclick = pageScrolling.initScroll;   		

				}   

			}

			

	},

	getElementYpos: function(el){

			var y = 0;

			while(el.offsetParent){  

				y += el.offsetTop    

				el = el.offsetParent;

			}	return y;

	},		

	getScrollTop: function(){

			if(document.all) return (document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop;

			else return window.pageYOffset;   

	},	

	getWindowHeight: function(){

			if (window.innerHeight)	return window.innerHeight;

			if(document.documentElement && document.documentElement.clientHeight) return document.documentElement.clientHeight;

	},

	getDocumentHeight: function(){

			if (document.height) return document.height;

			if(document.body.offsetHeight) return document.body.offsetHeight;

	},

	initScroll: function(e){

			var targ;  

			if (!e) var e = window.event;

			if (e.target) targ = e.target;

			else if (e.srcElement) targ = e.srcElement;

			

			//alert("TG : " + e.target + " SRC : " + e.srcElement + " FROM : " + e.fromElement );

			var targlink;

			var str = "";

			if(targ.nodeName == "A" || targ.nodeName == "a"){ 

			

				targlink = new String(targ.href);

			

			}else{

				//alert("OBJECT !! LEN : " + targlink.length);

				for (var i in targ) {

					//alert(i);       // ループカウンタにメンバ名が入る。

					//alert(targ[i]);  // 括弧記法でメンバを参照できる。

					str += "KEY : " + i + " VALUE : " + targ[i] + "<br />\n";

				}

				//document.write(str);

				// String型にすることで文字列の長さを取得する

				if(targ.parentNode != null){

					targlink = new String(targ.parentNode);

				} else if(targ.parentElement !=null){

					targlink = new String(targ.parentElement);

				} else if(targ.baseURI !=null){

					targlink = new String(targ.baseURI);

				}

				//alert("TARGETLINK : " + targlink + " TARGET LEN : " + targ.parentNode.length);

			}

			// アンカー情報の取得

			pageScrolling.hash = targlink.substr(targlink.indexOf('#')+1,targlink.length);

			//pageScrolling.hash = targ.href.substr(targ.href.indexOf('#')+1,targ.href.length);

			//alert("HASH : " + pageScrolling.hash);

			pageScrolling.currentBlock = document.getElementById(pageScrolling.hash);   

			if(!pageScrolling.currentBlock) return;

			pageScrolling.requestedY = pageScrolling.getElementYpos(pageScrolling.currentBlock); 

			pageScrolling.scroll();  

			return false;

	},

	scroll: function(){

			var top  = pageScrolling.getScrollTop();

			if(pageScrolling.requestedY > top) {  

				var endDistance = Math.round((pageScrolling.getDocumentHeight() - (top + pageScrolling.getWindowHeight())) / pageScrolling.brakeK);

				endDistance = Math.min(Math.round((pageScrolling.requestedY-top)/ pageScrolling.brakeK), endDistance);

				var offset = Math.max(2, Math.min(endDistance, pageScrolling.maxStep));

			} else { var offset = - Math.min(Math.abs(Math.round((pageScrolling.requestedY-top)/ pageScrolling.brakeK)), pageScrolling.maxStep);

			} window.scrollTo(0, top + offset);  

			if(Math.abs(top-pageScrolling.requestedY) <= 1 || pageScrolling.getScrollTop() == top) {

				window.scrollTo(0, pageScrolling.requestedY);

				//if(!document.all || window.opera) location.hash = pageScrolling.hash;

				pageScrolling.hash = null;

				floatScrolling.flg = true;

			} else 	{

				floatScrolling.flg = false;

				setTimeout(pageScrolling.scroll,pageScrolling.speed);

			}

	}		

}









/*******************************

 *     フロート移動定義

 *******************************/





var floatScrolling = {

	flg: true,

	brName : "",

	

	flayer : "floater",		// <DIV>のID名

	baseY : 49,

	//dY=84;

	chN6 : document.getElementById,			// N6のチェック用

	chIE : document.all,								// IEのチェック用

	chN4 : document.layers,							// N4のチェック用

	

	currentX : 0,

	currentY : 0,  

         

	lastScrollX : 0,

	lastScrollY : 0,

	

	diffY : 0,

	diffX : 0,



	init: function(){

		setInterval("floatScrolling.scroll()",3);

		floatScrolling.brName =navigator.appName.charAt(0);

	},

	

	scroll: function(){

		if(floatScrolling.flg){

			if(floatScrolling.chIE) {

				fObj = document.all[floatScrolling.flayer].style;

				var CANVAS = document[ 'CSS1Compat' == document.compatMode ? 'documentElement' : 'body'];	// IE6用処理

				floatScrolling.diffY = CANVAS.scrollTop; 

				floatScrolling.diffX = CANVAS.scrollLeft;

				px_tani = "";

			}else if(floatScrolling.chN6){

				fObj = document.getElementById(floatScrolling.flayer).style;

				floatScrolling.diffY = pageYOffset;

				floatScrolling.diffX = pageXOffset;

				px_tani = "px";

			}else if(floatScrolling.chN4){

				fObj = document[flayer];

				floatScrolling.diffY = pageYOffset;

				floatScrolling.diffX = pageXOffset;

				px_tani = "";

			}

			if(floatScrolling.diffY != floatScrolling.lastScrollY) {

				percent = 0.1 * (floatScrolling.diffY - floatScrolling.lastScrollY);

				if(percent > 0){

					percent = Math.ceil(percent);

				}else {

					percent = Math.floor(percent);

				}

				

				floatScrolling.lastScrollY = floatScrolling.lastScrollY + percent;

				

				fObj.top = floatScrolling.lastScrollY+floatScrolling.baseY+px_tani;

				//fObj.top = lastScrollY+px_tani;

			}

		}

	}

}





/*******************************

 *     ページ遷移後移動定義

 *******************************/

　

var nextScrolling = {

	speed : 20, 

	hash:null,	

	requestedY:0,

	

	prep: function() {

		

		if(window.location.hash !=""){

		var query =window.location.hash;

		//alert("QUERY1: " + query + " QUERY LENGTH : " + query.length);

		if(query){

		nextScrolling.hash = query.substr(query.indexOf('#')+1,query.length);

		//alert("KEY : " + nextScrolling.hash);

		window.location.hash = "top";

		}else{

		nextScrolling.hash ="ss";

		}

		

		

		

		}

		

	},

	init: function(){

		nextScrolling.scroll();

	},

	scroll: function() {

			//alert("KEY : " + nextScrolling.hash);		// ← メンバー変数のhashの値が向かう取得できません･･･。

			pageScrolling.hash = nextScrolling.hash;

			pageScrolling.currentBlock = document.getElementById(nextScrolling.hash);   

			if(!pageScrolling.currentBlock) return;

			pageScrolling.requestedY = pageScrolling.getElementYpos(pageScrolling.currentBlock); 

			pageScrolling.scroll();

	}

}



nextScrolling.prep();







/*******************************

*ポップアップ

*******************************/



function openPage(pageLink,pageWidth,pageHeight)

{

	window.open( pageLink,"new","width=" + pageWidth + ",height=" + pageHeight + ",toolbar=no,status=no,menubar=no,scrollbars=yes,resizable=no");

}



/*******************************

*ポップアップ

*******************************/

function externalLinks() {

	

	if (!document.getElementsByTagName) return;

	

	var anchors = document.getElementsByTagName("a");

	

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

		var anchor = anchors[i];

		

		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")

		anchor.target = "_blank";

		

	}

}





window.onload = function() {

	pageScrolling.init();

	//floatScrolling.init();

	nextScrolling.init();

	initRollovers();

	externalLinks();

}