document.getElementsByClassName = function(className){
	var allObj = new Array();
	var matchObj = new Array();
	allObj = document.getElementsByTagName("*");
	for(var i = 0; i < allObj.length; i++){
		if(className == allObj[i].className){
			matchObj.push(allObj[i]);
		}
	}
	return matchObj;
}

/*今日の日付のスタイルを変更する*/
function todaychange(){
	var dateTime = new Date();
	var yyyy = dateTime.getYear();
	var mm = dateTime.getMonth() + 1;
	var dd = dateTime.getDate();
	if(yyyy < 100){ yyyy += 1900; }
	if(String(mm).length == 1){ mm = '0'+ mm; }
	if(String(dd).length == 1){ dd = '0'+ dd; }
	var flag_kongetu = 0;
	var obj;
	obj = document.getElementsByClassName('calendar-title')[0].getElementsByTagName("a");
	for(var i = 0; i < obj.length; i++){
		if(obj[i].childNodes[0].nodeValue.match(yyyy +'/'+ mm)){
			/*今月のカレンダー*/
			flag_kongetu = 1;
			break;
		}
	}
	if(flag_kongetu != 1){
		/*今月のカレンダーではない*/
		return;
	}

	obj = document.getElementsByClassName('calendar-cell');
	for(var i = 0; i < obj.length; i++){
		if(! obj[i].hasChildNodes()){ continue;}
		if(obj[i].childNodes[0].hasChildNodes()){
			if(obj[i].childNodes[0].childNodes[0].nodeValue.match(dd)){
				obj[i].className = 'today';
			}			 }
		else if(obj[i].childNodes[0].nodeValue.match(dd)){
			obj[i].className = 'today';
		}
	}
}
todaychange();