/*******************************
 サイドナビゲーション -アコーディオン-
*******************************/

var accordion=function(){
	var tm=sp=10;
	function slider(n){this.nm=n; this.arr=[]}
	slider.prototype.init=function(t,c,k){
		var a,h,s,l,i; a=document.getElementById(t); this.sl=k?k:'';
		h=a.getElementsByTagName('dt'); s=a.getElementsByTagName('dd'); this.l=h.length;
		for(i=0;i<this.l;i++){var d=h[i]; this.arr[i]=d; d.onclick=new Function(this.nm+'.pro(this)'); if(c==i){d.className=this.sl}}
		l=s.length;
		for(i=0;i<l;i++){var d=s[i]; d.mh=d.offsetHeight; if(c!=i){d.style.height=0; d.style.display='none'}}
	}
	slider.prototype.pro=function(d){
		for(var i=0;i<this.l;i++){
			var h=this.arr[i], s=h.nextSibling; s=s.nodeType!=1?s.nextSibling:s; clearInterval(s.tm);
			if(h==d&&s.style.display=='none'){s.style.display=''; su(s,1); h.className=this.sl}
			else if(s.style.display==''){su(s,-1); h.className=''}
		}
	}
	function su(c,f){c.tm=setInterval(function(){sl(c,f)},tm)}
	function sl(c,f){
		var h=c.offsetHeight, m=c.mh, d=f==1?m-h:h; c.style.height=h+(Math.ceil(d/sp)*f)+'px';
		c.style.opacity=h/m; c.style.filter='alpha(opacity='+h*100/m+')';
		if(f==1&&h>=m){clearInterval(c.tm)}else if(f!=1&&h==1){c.style.display='none'; clearInterval(c.tm)}
	}
	return{slider:slider}
}();

/*******************************
最上部までスムーズにスクロール
*******************************/

function backToTop() { 
var x1 = x2 = x3 = 0; 
var y1 = y2 = y3 = 0; 
if (document.documentElement) { 
x1 = document.documentElement.scrollLeft || 0; 
y1 = document.documentElement.scrollTop || 0; 
} 
if (document.body) { 
x2 = document.body.scrollLeft || 0; 
y2 = document.body.scrollTop || 0; 
} 
x3 = window.scrollX || 0; 
y3 = window.scrollY || 0; 
var x = Math.max(x1, Math.max(x2, x3)); 
var y = Math.max(y1, Math.max(y2, y3)); 
window.scrollTo(Math.floor(x / 2), Math.floor(y / 2)); 
if (x > 0 || y > 0) { 
window.setTimeout("backToTop()", 25); 
} 
} 

/*******************************
image map 箇所の area 要素用ロールオーバー
*******************************/
var yomotsuSwapImageMap = {

	main : function(){
		var area = document.getElementsByTagName("area");
		for(i=0;i<area.length;i++){
			area[i].onmouseover = yomotsuSwapImageMap.over;
			area[i].onmouseout = yomotsuSwapImageMap.out;
		}
	},
	
	over : function(){
		var i, j,
		img = document.images,
		area = this.parentNode.getElementsByTagName("area"),
		mapIdReg = new RegExp ("\\b"+this.parentNode.id+"\\b");
		
		for(i=0;i<area.length;i++){
			if(area[i]===this){
				for (j = 0; j <img.length; j++) {
					if (img[j].src.match(/_swap0\.(png|gif|jpg)\b/)&&img[j].getAttribute("usemap").match(mapIdReg)){
						img[j].src = img[j].src.replace('_swap0.', '_swap'+(i+1)+'.');
					}
					else if((img[j].style.filter)&&(img[j].style.filter.match(/_swap0\.png\b/))&&img[j].getAttribute("usemap").match(mapIdReg)){//(IE5.5-6 && png)
						img[j].style.filter = img[j].style.filter.replace('_swap0.', '_swap'+(i+1)+'.');
					}
				}
			}
		}

	},
	
	out : function(){
		var i, j,
		img = document.images,
		area = this.parentNode.getElementsByTagName("area"),
		mapIdReg = new RegExp ("\\b"+this.parentNode.id+"\\b");
		
		for(i=0;i<area.length;i++){
			if(area[i]===this){
				for (j = 0; j <img.length; j++) {
					if (img[j].src.match(/_swap[0-9]{1,}\.(png|gif|jpg)\b/)&&img[j].getAttribute("usemap").match(mapIdReg)){
						img[j].src = img[j].src.replace('_swap'+(i+1)+'.', '_swap0.');
					}
					else if((img[j].style.filter)&&(img[j].style.filter.match(/_swap[0-9]{1,}\.png\b/))&&img[j].getAttribute("usemap").match(mapIdReg)){//(IE5.5-6 && png)
						img[j].style.filter = img[j].style.filter.replace('_swap'+(i+1)+'.', '_swap0.');
					}
				}
			}
		}
	},
	
	addEvent : function(){
		try {
			window.addEventListener('load', this.main, false);
		} catch (e) {
			window.attachEvent('onload', this.main);
		}
	}
}
/*******************************
 フォントサイズ変更
*******************************/
function large() { document.body.style.fontSize = "100%"; }
function middle() { document.body.style.fontSize = "85%"; }
function small() { document.body.style.fontSize = "75%"; }

/*******************************
/* 半角英数字が枠を突き破るのを防ぐ
*******************************/
new function(){
	if(window.opera || navigator.userAgent.indexOf("Firefox") != -1){
		var wordBreak = function() {
			var wordBreakClass = "wordBreak";
			var table = document.getElementsByTagName("table");
			for(var i=0,len=table.length ; i<len ; i++){
				var tbClass = table[i].className.split(/\s+/);
				for (var j = 0; j < tbClass.length; j++) {
					if (tbClass[j] == wordBreakClass) {
						recursiveParse(table[i])
					}
				}
			}
		}
		var recursiveParse = function(pNode) {
			var childs = pNode.childNodes;
			for (var i = 0; i < childs.length; i++) {
				var cNode = childs[i];
				if (childs[i].nodeType == 1) {
					recursiveParse(childs[i]);
				}else if(cNode.nodeType == 3) {
					if(cNode.nodeValue.match("[^\n ]")){
						var plTxt = cNode.nodeValue.replace(/\t/g,"")
						var spTxt = plTxt.split("");
						spTxt = spTxt.join(String.fromCharCode(8203));
						var chNode = document.createTextNode(spTxt);
						cNode.parentNode.replaceChild(chNode,cNode)
					}
				}
			}
		}

	}else{
		var wordBreak = function() {
			if( document.styleSheets[0].addRule ){
				document.styleSheets[0].addRule(".wordBreak","word-break:break-all");
			}else if( document.styleSheets[0].insertRule ){
				document.styleSheets[0].insertRule(".wordBreak{word-break:break-all}", document.styleSheets[0].cssRules.length );
			}else{
				return false;
			}
		}
	}
	var addEvent = function(elm,listener,fn){
		try{
			elm.addEventListener(listener,fn,false);
		}catch(e){
			elm.attachEvent("on"+listener,fn);
		}
	}
	addEvent(window,"load",wordBreak);
}