// JavaScript Document

var getFeeds = function(target, url, num) {
	var query = "select * from rss where url=\""+url+"\"";
	query = encodeURIComponent(query);
	$.getJSON("http://query.yahooapis.com/v1/public/yql?q="+query+"&format=json&callback=?", function(res){

		var item = res.query.results.item;

    var html = '<ul>';
    for( var i = 0; i < num; i++) {
      var title = item[i].title;
      var pdate = new Date(item[i].pubDate);
      var Y = pdate.getFullYear();
  		var m = pdate.getMonth() + 1;
  		m = (m < 10)? '0' + m:m;//月数字を2桁に
  		var d = pdate.getDate();
  		d = (d < 10)? '0' + d:d;//日数字を2桁に
  		var date = Y + '.' + m + '.' + d;

      var link = (typeof item[i].link === 'string')? item[i].link : item[i].link[0];

      html += '<li class="clearfix">' + '<dl>' + '<dt>' + '<em>' + date + '</em><span class="cate blog">ブログ</span>' + '</dt>';
      html += '<dd>' + '<a href="' + link + '" target="_blank">' + title + '</a></dd></dl></li>';

    }
    html += '</ul>';

		var container = document.getElementById(target);
		container.innerHTML += html;

		latestInfo();

	});

};

var feed1 = new getFeeds("feed", 'http://blog.sdtc.ac.jp/feed', 5);

function latestInfo() {
	var showNum = 5;
	var t02 = $('.tab02 ul').clone().html();
	var t03 = $('.tab03 ul').clone().html();
	var t04 = $('.tab04 ul').clone().html();

	var tmp = $('<ul class="latest">' + t02 + t03 + t04 + '</ul>');
	tmp.css('display', 'none');
	$('body').append(tmp);
	tmp.html(
		$('.latest li').sort(function(a, b){
			var dtA = $(a).find('em').html();
			var dtB = $(b).find('em').html();
			dtA = dtA.split('.');
			dtB = dtB.split('.');

			var dateA = new Date(parseInt(dtA[0].substr(dtA[0].length - 4), 10), parseInt(dtA[1], 10) - 1, dtA[2]);
			var dateB = new Date(parseInt(dtB[0].substr(dtB[0].length - 4), 10), parseInt(dtB[1], 10) - 1, dtB[2]);

			return parseInt((dateB.getTime() - dateA.getTime() < 0)? -1 : ((dateB.getTime() - dateA.getTime() > 0)? 1 : 0));
		})
	);

	tmp.find('li').each(function(i){
	  if(i >= showNum) {
	    $(this).remove();
	  }
	});


	$('.tab01 section').empty();
	$('.tab01 section').append(tmp);
	tmp.fadeIn();


}