// JavaScript Document

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}


//ブラウザウィンド

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}




function setActiveStyleSheet(title) {
	var i, a, main;
	if ( title == '' || title == null ) {
		title = 'standard';
	}
	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;
		}
	}
	createCookie("style", title, 365);
}
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;
}


/*
function toggle_flash() {
  xDay = new Date;
  xDay.setHours(xDay.getHours() + 24*365); //1年間
  xDay = xDay.toGMTString(); //GMT形式の文字列に変換


  var d1=document.getElementById('toggle-flash1');
  var img1=d1.getElementsByTagName('img').item(0);

  if (img1.style.display == 'none') {
    document.cookie = "use_flash=no;expires=" + xDay;
  } else {
    document.cookie = "use_flash=yes;expires=" + xDay;
  }
  location.reload()
}


function checkFlashVisible() {
  var use_flash=getCookie('use_flash');

  if (use_flash == 'no') {
    button_on.style.display = 'block';
    button_off.style.display = 'none';
    flash1.style.display = 'none';
    flash1.style.height = '0px';
    img1.style.display = 'block';
    flash2.style.display = 'none';
    img2.style.display = 'block';
  }
}
*/


function set_button_state(flg) {
  var btn_on = $('on_but');
  var btn_off = $('off_but');
  if (flg) {
    btn_on.oSrc = btn_on.src = 'images/on_but_f2.jpg';
    btn_off.oSrc = btn_off.src = 'images/off_but.jpg';
  } else {
    btn_off.oSrc = btn_off.src = 'images/off_but_f2.jpg';
    btn_on.oSrc = btn_on.src = 'images/on_but.jpg';
  }
}

// flg: true => flash on, false => flash off, undefined => read cookie
function set_flash_visible(flg) {
  if (typeof flg == 'undefined') {
    // check cookie
    var use_flash = readCookie("use_flash");
    if (use_flash == 'yes') {
      flg = true;
    } else if (use_flash == 'no') {
      flg = false;
    } else {
      flg = true;
    }
  } else {
    // set cookie
    if (flg) {
      createCookie('use_flash', 'yes', 365);
    } else {
      createCookie('use_flash', 'no', 365);
    }
  }

  var flashes = $A(['toggle-flash1-flash', 'toggle-flash2-flash']);
  var images = $A(['toggle-flash1-img', 'toggle-flash2-img']);
  // at first, hide
  if (flg) {
    set_button_state(true);
    images.each(function(el){
      $(el).hide();
    });
    flashes.each(function(el){
      $(el).show();
    });
  } else {
    set_button_state(false);
    flashes.each(function(el){
      $(el).hide();
    });
    images.each(function(el){
      $(el).show();
    });
  }
}



Event.observe(document, 'dom:loaded', function(){
  var cookie = readCookie("style");
  var title = cookie ? cookie : 'standard';
  if (title == 'black' || title == 'standard') {
    setActiveStyleSheet(title);
  }
});

Event.observe(window, 'unload', function(){
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
});