//テキストサイズ変更スクリプト

function fontChange(str){
	var targetFile;
	switch(str){
	case "small":
		targetFile="./common/css/font-small.css";
	break;
	case "medium":
		targetFile="./common/css/font-middle.css";
	break;
	case "big":
		targetFile="./common/css/font-large.css";
	break;
	default:
		alert("error");
	break;
	}

	document.cookie="fontstyle="+targetFile+";path=/;";
	window.location.reload();
}


var name="fontstyle";
var cookie=document.cookie;
if(-1==cookie.indexOf(name)){
	var file='';
}else{
	var pos_s=cookie.indexOf(name)+name.length+1;
	var pos_e=cookie.indexOf(";",pos_s);
	if(-1==pos_e){
		var file=cookie.slice(pos_s);
	}else{
		var file=cookie.slice(pos_s,pos_e);
	}
}
document.write('<link rel="stylesheet" type="text/css" href="'+file+'" />');