/* 
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); 
} 
} 

/* 
TOP_swf
*/


function obj()
{
    document.write('<object data="common/swf/top.swf" width="1000" height="400" type="application/x-shockwave-flash">\n');
    document.write('<param name="movie" value="common/swf/top.swf" />\n');
    document.write('<param name="quality" value="high" />\n');
    document.write('<param name="wmode" value="transparent" />\n');
	document.write('</object>\n');
}



/* 
ロールオーバー用JS
xxx_off.jpg ＝　元画像
xxx_over.jpg ＝　マウスON時画像
*/

function setRollOver() {
	if (!document.getElementsByTagName) return false;
	var ovrImgList = document.getElementsByTagName('img');
	for (var i = 0; i < ovrImgList.length; i++) {
		if (ovrImgList[i].src.match(/_off\./i)) {
			var loadedImg = new Image();
			loadedImg.src = ovrImgList[i].src.replace(/_off\./i, '_over.');
			ovrImgList[i].onmouseover = function() { 
				this.src = this.src.replace(/_off\./i, '_over.');
			}
			ovrImgList[i].onmouseout = function() { 
				this.src = this.src.replace(/_over\./i, '_off.');
			}
			ovrImgList[i].onmouseup = function() { 
				this.src = this.src.replace(/_over\./i, '_off.');
			}
		}
	}
	return true;
}
if (window.addEventListener) window.addEventListener('load', setRollOver, false);
if (window.attachEvent) window.attachEvent('onload', setRollOver);




/* 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);
}