var cName = 'michinokuCss';
var cPath = '';
var manager = new CookieManager();

function setFontSize(){
	// 更新日ついでに取得
	/*var ajaxGetOpt = {
		method: 'get',
		asynchronous: true,
		requestHeaders: ['If-Modified-Since','Wed, 15 Nov 1995 00:00:00 GMT']
	};
	new Ajax.Updater('lastupdate', cPath + "/js/lastupdate.php", ajaxGetOpt);*/
	
	// フォントサイズ設定
	//manager = new CookieManager();
	var cValue = manager.getCookie(cName);
	if(cValue){
		change_text_size(cValue);
	}else{
		change_text_size(2);    //初期値
	}
}


/**
 * テキスト版切り替え
 */
function changeText(str)
{
	manager.setCookie("design", str);
	location.reload();
}


/*CSS切り替え*/
function change_text_size(size)
{
	var imgPath = cPath + '/js/head_tsize0' + size + '.gif';
    MM_swapImage('sizeCh','',imgPath,'sizeCh','',imgPath,1);
    switch(Number(size)){
    case 1:
    	document.body.style.fontSize = "80%";
    	break;
    case 2:
    	document.body.style.fontSize = "90%";
    	break;
    case 3:
    	document.body.style.fontSize = "100%";
    	break;
    case 4:
    	document.body.style.fontSize = "120%";
    	break;
    default:
    	document.body.style.fontSize = "90%";
    	break;
    }
    manager.setCookie(cName, size);
}


function MM_findObj(n, d) { //v3.0
  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); 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];}}
}