// onLoad FROM ------------------------------------------------------------------------------------------------
window.onload = function()
{
	// styleSheet
	onLoadStyleSheet();
	
	// preLoadImages
	preLoadImagesHead();
}
// onLoad TO ------------------------------------------------------------------------------------------------

// font-size FROM ------------------------------------------------------------------------------------------------

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;
		}
	}
	
	setActiveImageButton(title);
}

function setActiveImageButton(title)
{
	switch(title)
	{
		case '00':
			
			document.imgBtnL.src = "top_images/btn_text_L.gif";
			document.imgBtnM.src = "top_images/btn_text_M_on.gif";
			document.imgBtnS.src = "top_images/btn_text_S.gif";
		break;
		case '01':
			
			document.imgBtnL.src= "top_images/btn_text_L_on.gif";
			document.imgBtnM.src= "top_images/btn_text_M.gif";
			document.imgBtnS.src= "top_images/btn_text_S.gif";
		break;
		default:
			
			document.imgBtnL.src= "top_images/btn_text_L.gif";
			document.imgBtnM.src= "top_images/btn_text_M.gif";
			document.imgBtnS.src= "top_images/btn_text_S_on.gif";
		break;
	}
}

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 onLoadStyleSheet()
{
	var cookie = readCookie("fdm_font_size");
	if(cookie)
	{
		var title = cookie ? cookie : getPreferredStyleSheet();
		setActiveStyleSheet(title);
	}
	else
	{
		setActiveStyleSheet('02');
	}
}

window.onunload = function()
{
	var title = getActiveStyleSheet();
	createCookie("fdm_font_size", title, 60);
}

// font-size TO ------------------------------------------------------------------------------------------------

// preloadimages FROM ------------------------------------------------------------------------------------------------
// TOP
function preLoadImagesHead()
{
	var arrayImages = new Array
	(
		"top_images/topnavi_01_ro.jpg",
		"top_images/topnavi_02_ro.jpg",
		"top_images/topnavi_03_ro.jpg",
		"top_images/topnavi_04_ro.jpg",
		"top_images/topnavi_05_ro.jpg",
		"top_images/rightnavi_01_ro.jpg",
		"top_images/rightnavi_02_ro.jpg",
		"top_images/rightnavi_03_ro.jpg",
		"top_images/rightnavi_04_ro.jpg"
		
	);
	
	preLoadImagesArray(arrayImages);
}

function preLoadImagesArray(arrayImages)
{
	for(var i = 0; i < arrayImages.length; i++)
	{
		var imgObj = new Image();
		imgObj.src = arrayImages[i];
	}
}
// preloadimages TO ------------------------------------------------------------------------------------------------

/**
* 言語切り替え
* 実際にはURLの文字列置換を行っている。
*/
function changeLanguage(s1,s2){
  var s = new String(document.location);
  var a = s.substring(0,s.indexOf(s1));
  var b = s.substring(s.indexOf(s1) + s1.length,s.length);
  var c = a + s2 + b;
  document.location = c;
}

/**
* @param obj  イベントが発生したオブジェクト
*/
function turnOn(obj){
  try{
    obj.src = "../img/mark_1.gif";
  }catch(e){
  }
}

/**
* @param obj  イベントが発生したオブジェクト
*/
function turnOff(obj){
  try{
    obj.src = "../img/mark_0.gif";
  }catch(e){
  }
}

function openMenu(){
  try{
  for( i = 0 ; i < arguments.length ; i++ ){
    if(document.getElementById(arguments[i]).style.display != 'block'){
      document.getElementById(arguments[i]).style.display = 'block';
    }else{
      document.getElementById(arguments[i]).style.display = 'none';
    }
  }
  }catch(e){
  
  }
}
function closeMenu(){
  try{
  for( i = 0 ; i < arguments.length ; i++ ){
    if(document.getElementById(arguments[i]).style.display != 'none'){
      document.getElementById(arguments[i]).style.display = 'none';
	}
  }
  }catch(e){
  
  }
}