String.prototype.pad = function(len, chr) {
	var ret = "";
	if (chr == undefined) chr = "0";
	for (var i = 0; i < len - this.length; i ++)
		ret += chr;
	return ret + this;
};

var date = new Date;
var datestr = (date.getFullYear() - 1) + (date.getMonth()+1+'').pad(2, '0') + (date.getDate()+'').pad(2, '0');
$("#takemeback").html("<a href='http://b.hatena.ne.jp/hotentry?mode=daily&date="+datestr+"'>ちょうど一年前のはてブ</a>");