//changeLang
function changeLang() {
	var conx = [
		["/","/index.html"],
		["/([^\/]*).html","/$1.html"],
		["/company/([^\/]*).html","/company/$1.html"],
		["/company/history/([^\/]*).html","/company/history/$1.html"],
		["/policy/([^\/]*).html","/policy/$1.html"],
		["/finance/factsheet.html","/finance/index.html"],
		["/finance/([^\/]*).html","/finance/$1.html"],
		["/stock/shareholders_meeting.html","/stock/index.html"],
		["/stock/([^\/]*).html","/stock/$1.html"],
		["/library/index.html","/library/index.html"],
		["/library/settlement/index.html","/library/settlement/index.html"],
		["/library/settlement/h25.html","/library/index.html"],
		["/library/settlement/h24.html","/library/index.html"],
		["/library/settlement/h23.html","/library/settlement/2011.html"],
		["/library/settlement/h22.html","/library/settlement/2010.html"],
		["/library/settlement/h21.html","/library/settlement/2009.html"],
		["/library/settlement/h20.html","/library/settlement/2008.html"],
		["/library/settlement/h19.html","/library/settlement/2007.html"],
		["/library/settlement/h18.html","/library/settlement/2006.html"],
		["/library/settlement/h17.html","/library/settlement/2005.html"],
		["/library/settlement/h16.html","/library/settlement/2004.html"],
		["/library/settlement/h15.html","/library/settlement/2003.html"],
		["/library/settlement/h14.html","/library/settlement/2002.html"],
		["/library/settlement/h13.html","/library/settlement/2001.html"],
		["/library/settlement/h12.html","/library/settlement/2000.html"],
		["/library/factbook/([^\/]*).html","/library/factbook/$1.html"],
		["/library/annual_report/([^\/]*).html","/library/annual_report/$1.html"],
		["/library/biz_report/([^\/]*).html","/library/index.html"],
		["/library/csr/([^\/]*).html","/library/csr/index.html"],
		["/individual/index.html","/index.html"],
		["/csr/([^\/]*).html","/csr/$1.html"],
		["/recruit/([^\/]*).html","/index.html"],
		["/news/index.html","/news/index.html"],
		["/news/2015.html","/news/2015.html"],
		["/news/2014.html","/news/2014.html"],
		["/news/2013.html","/news/2013.html"],
		["/news/2012.html","/news/2012.html"],
		["/news/2011.html","/news/2011.html"],
		["/news/2010.html","/news/2010.html"],
		["/news/2009.html","/news/2009.html"],
		["/news/2008.html","/news/2008.html"],
		["/news/2007.html","/news/2007.html"],
		["/news/2006.html","/news/2006.html"],
		["/news/2005.html","/news/2005.html"],
		["/news/2004.html","/news/2004.html"],
		["/news/([^\/]*).html","/news/index.html"],
		["/notification/index.html","/index.html"],
		["/contribution/ship.html","/contribution/vessel.html"],
		["/contribution/powershovel.html","/contribution/excavators.html"],
		["/contribution/packing.html","/contribution/packagingmachines.html"],
		["/contribution/([^\/]*).html","/contribution/$1.html"],
		["/advantage/index.html","/advantage/index.html"],
		["/anywhere/index.html","/anywhere/index.html"],
		["/pr/([^\/]*).html","/index.html"],
		["/faq/index.html","/faq/index.html"],
		["/inquiry/recruit/index.html","/inquiry/index.html"],
		["/inquiry/pw_company/([^\/]*).html","/inquiry/pw_company/$1.html"],
		["/inquiry/welfare_biz/index.html","/inquiry/welfare_biz/index.html"],
		["/inquiry/([^\/]*).html","/inquiry/$1.html"],
		["/howto/index.html","/index.html"],
		["/sitemap/index.html","/sitemap/index.html"]
	];
	
	var myurl = document.URL;
	var basefrom = "http://www.nabtesco.com/";
	var baseto = "http://www.nabtesco.com/en";
	myurl = myurl.replace(basefrom, "\/");
	
	
	var cmax = conx.length;
	var n = 0;
	while(n<cmax) {
		re = new RegExp("^"+conx[n][0]+"$");
		if (re.test(myurl)) {
			var r2 = RegExp.$1;
			var rr = conx[n][1].replace("\$1", r2);
			//window.alert(myurl + ":"+n+":"+rr);
			location.href = baseto + rr;
			return false;
		}
		n++;
	}
	location.href = baseto;
}
//rollover
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 == 'btn') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			if ((src.lastIndexOf('_c.') != -1)||(src.lastIndexOf('_o.') != -1)) {
				var hsrc = src;
			} else {
				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);
			}
		}
	}
}

function initFontButtons(current) {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var setNames = new Array();
	var sTempSrc;
	var fbcurrent;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {
		if (aImages[i].className == 'fbtn') {
			var src = aImages[i].getAttribute('src');
			var aid = aImages[i].getAttribute('id');
			var sid = aid.substring(5, aid.length);
			
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);
			
			aImages[i].setAttribute('osrc', src);
			aImages[i].setAttribute('oset', src);
			aImages[i].setAttribute('hsrc', hsrc);
			aImages[i].setAttribute('hset', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			if (sid == current) {
				aImages[i].setAttribute('oset', aImages[i].getAttribute('hsrc'));
				aImages[i].setAttribute('src', aImages[i].getAttribute('oset'));
				fbcurrent = aImages[i];
			}
			aImages[i].setDefault = function() {
				this.setAttribute('oset', this.getAttribute('osrc'));
				this.setAttribute('hset', this.getAttribute('hsrc'));
				this.setAttribute('src', this.getAttribute('oset'));
			}
			aImages[i].onmouseover = function() {
				this.setAttribute('src', this.getAttribute('hset'));
			}
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', this.getAttribute('oset'));
			}
			aImages[i].onclick = function() {
				if(fbcurrent != this) {
					this.setAttribute('oset', this.getAttribute('hsrc'));
					this.setAttribute('hset', this.getAttribute('hsrc'));
					this.setAttribute('src', this.getAttribute('hset'));
					fbcurrent.setDefault();
					fbcurrent = this;
				}
			}

		}
	}
}

function setCurrent() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aList = document.getElementsByTagName('li');
	
	for (var i = 0; i < aList.length; i++) {
		if (aList[i].className == 'current') {
			var childs = aList[i].childNodes;
			var myimg = childs[0].firstChild;
			if(myimg.className == "btn") {
				myimg.setAttribute('src', myimg.getAttribute('hsrc'));
			}
		}
	}
	var a2List = document.getElementsByTagName('dd');
	
	for (var i = 0; i < a2List.length; i++) {
		if (a2List[i].className == 'current') {
			var childs = a2List[i].childNodes;
			var myimg = childs[0].firstChild;
			if(myimg.className == "btn") {
				myimg.setAttribute('src', myimg.getAttribute('hsrc'));
			}
		}
	}
}

// styleswitch

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  if ((title == "null")||(title == null)) {
  	  title="standard";
  }
  setActiveStyleSheet(title);
  initRollovers();
  initFontButtons(title);
  setCurrent();
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var fbtns = new Array();
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);