if(window.addEventListener) {
	window.addEventListener('load', smartRollover, false);
} else if(window.attachEvent){
	window.attachEvent('onload', smartRollover);
} else {
	window.onload = smartRollover;
}

function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		
		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off\\."))
			{
				var nonRollCheck ;
				nonRollCheck = images[i].getAttribute('className');
				nonRollCheck = (nonRollCheck == null) ? images[i].getAttribute('class') : nonRollCheck;
				
				nonRollCheck = nonRollCheck ? nonRollCheck.match(/(^|\s)no_rollover(\s|$)/) : false;
				
				if (!nonRollCheck)
				{
					ImgSrc = images[i].getAttribute("src").replace("_off.", "_on.");
					new Image().src = ImgSrc;
					
					images[i].onmouseover = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
					}
					images[i].onmouseout = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
					}
				}				
			}
		}
	}
}

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()", 10);
  }
}

/*
This work is licensed under the Creative Commons Attribution-Share Alike 2.1 Japan License. 
To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/2.1/jp/ or send a letter to Creative Commons,
543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.
Copyright (c) 2006 firstAudience.com (Keisuke Nakayama) All Rights Reserved.
 */


/*----- user setting -----*/

var section_label = ["#reco1","#reco2"];
var tr_style = ["",""];
var th_style = ["",""];
var td_style = ["background: #f0eedd;","background: #f0eedd;"];

/*----- user setting -----*/



document.write("<style type='text/css'>");
for (var i=0; i<section_label.length; i++) {
	document.write(section_label[i]+" tr.fringe { "+tr_style[i]+" }");
	document.write(section_label[i]+" tr.fringe th { "+th_style[i]+" }");
	document.write(section_label[i]+" tr.fringe td { "+td_style[i]+" }");
}
document.write("</style>");

function setFringe(e) {
	var tbodyTag = document.getElementsByTagName("tbody");
	for (var i=0; i<tbodyTag.length; i++) {
		var section_node = tbodyTag[i];
		var o_e = false;
		var section_child = section_node.childNodes;
		for (var j=0; j<section_child.length; j++){
			var target_node = section_child[j];
			if((target_node.nodeName)!="TR") continue;
			if(o_e) {
				target_node.setAttribute("class","fringe");
				target_node.setAttribute("className","fringe"); // for IE Bug
			}
			o_e = ! o_e;
		}
	}
}

function addListener(elem,eventType,func,cap) {
	if(elem.addEventListener) {
		elem.addEventListener(eventType,func,cap);
	} else if(elem.attachEvent) {
		elem.attachEvent('on' + eventType,func);
	} else {
		alert(browser_disable);
		return false;
	}
}

addListener(window,'load',setFringe,false);


/***********************************************
* AnyLink Drop Down Menu- c Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

//Contents for menu 1
var menu1=new Array()
menu1[0]='<a href="/about/about.html">レンガ積み住宅について</a>'
menu1[1]='<a href="/about/strength.html">強さの秘密</a>'
menu1[2]='<a href="/about/energy.html">エコ・省エネ対策</a>'
menu1[3]='<a href="/about/trust.html">信頼と安心の証</a>'
		
var menuwidth='193px' //default menu width
var menubgcolor='#602b1b'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top="-500px"
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}

if (hidemenu_onclick=="yes")
document.onclick=hidemenu