// load CSS
//分岐の必要があれば、ここに設定。

	document.writeln("<link rel='stylesheet' type='text/css' media='screen,print' href='http://www.olc.co.jp/elements/medium.css' title='medium' />");
	document.writeln("<link rel='alternate stylesheet' type='text/css' media='screen,print' href='http://www.olc.co.jp/elements/small.css' title='small' />");
	document.writeln("<link rel='alternate stylesheet' type='text/css' media='screen,print' href='http://www.olc.co.jp/elements/large.css' title='large' />");

// 初期設定
cookieName = "z_style"; // Cookieの名前
defaultSize = 0; // Defaultのスタイルシート
saveDates = 14; // 保持日数


// スタート処理1
function iniSet(){
	var cData = loadCookie(cookieName);
	//alert(loadCookie(cookieName));
	if(cData == false){ //falseだったらCookie初期設定
		saveCookie(cookieName,defaultSize,saveDates);
		//フォント変更処理
		//alert("defaultSize2:"+defaultSize);
	setActiveStyle();
	} else {
		defaultSize = parseInt(cData);
		//alert("dparseInt(cData):"+parseInt(cData));
		//フォント変更処理
	setActiveStyle();
	}	
}

// ボタンイベント処理
function clickSet(num){
	if(((defaultSize) <= 2) && ((defaultSize) >= 0)){
		//CSS切り替え処理
		defaultSize = num;
		//CSS設定
		setActiveStyle();

		//Cookie書き込み
		saveCookie(cookieName,defaultSize,saveDates);
		//alert("clickSet_defaultSize:"+defaultSize);
	}
}


// ブラウザ終了処理

window.unload = function() {
	saveCookie(cookieName,defaultSize,saveDates);
}


//----------------------------------------------------

// CSS設定
function setActiveStyle(){

	for(i=0;i <= 2;i++){
		document.getElementsByTagName("link")[i].disabled = true;
		if(i == (defaultSize)){
			document.getElementsByTagName("link")[i].disabled = false;
		} else {
			document.getElementsByTagName("link")[i].disabled = true;
		}
	}
}


function saveCookie(arg1,arg2,arg3){ //arg1=dataname arg2=data arg3=expiration days
	//if(arg1&&arg2){
		if(arg3){
			xDay = new Date;
			xDay.setDate(xDay.getDate() + eval(arg3));
			xDay = xDay.toGMTString();
			_exp = ";expires=" + xDay;
		}
		else _exp ="";
		document.cookie = escape(arg1) + "=" + escape(arg2) + _exp + ";path=/;";
	//}
}

function loadCookie(arg){ //arg=dataname
	if(arg){
		cookieData = document.cookie + ";" ;
		arg = escape(arg);
		startPoint1 = cookieData.indexOf(arg);
		startPoint2 = cookieData.indexOf("=",startPoint1) +1;
		endPoint = cookieData.indexOf(";",startPoint1);
		if(startPoint2 < endPoint && startPoint1 > -1 &&startPoint2-startPoint1 == arg.length+1){
			cookieData = cookieData.substring(startPoint2,endPoint);
			cookieData = unescape(cookieData);
			return cookieData
		}
	}
	return false
}

function deleteCookie(arg){ //arg=dataname
	if(arg){
		arg = escape(arg);
		yDay = new Date;
		yDay.setHours(yDay.getHours() - 1); 
		yDay = yDay.toGMTString(); 
		document.cookie = arg + "=xxx" + ";expires=" + yDay;
	}
}


// ボタンアクション

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_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];}}
}