//用来处理twitter API 返回的JSON数据
function getTwitter(twitters) {
	var statusHTML = [];     
	for (var i=0; i<twitters.length; i++){
		var username = twitters[i].user.screen_name;
		var status = twitters[i].text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
			return '<a href="'+url+'">'+url+'</a>';
		}).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
			return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
		});
    if (i%2==0){
      statusHTML.push('<li class="tweet odd">'+status+'<span class="time">'+relative_time(twitters[i].created_at)+'</span></li>');
    } else{
      statusHTML.push('<li class="tweet even">'+status+'<span class="time">'+relative_time(twitters[i].created_at)+'</span></li>');
    }
	}
  //if (statusHTML == ''){statusHTML.push('<li>Following me On Twitter...</li>')}
  document.getElementById('twitter-loading').style.display="none";
	document.getElementById('twitter-list').innerHTML = statusHTML.join('');
}
//处理日期
function relative_time(time_value) {
	var values = time_value.split(" ");
	time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
	var parsed_date = Date.parse(time_value);
	var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
	var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
	delta = delta + (relative_to.getTimezoneOffset() * 60);

	if (delta < 60) {
		return 'now';
	} else if(delta < 120) {
		return '1 minute ago';
	} else if(delta < (60*60)) {
		return (parseInt(delta / 60)).toString() + ' minutes ago';
	} else if(delta < (120*60)) {
		return '1 hour ago';
	} else if(delta < (24*60*60)) {
		return + (parseInt(delta / 3600)).toString() + ' hours ago';
	} else if(delta < (48*60*60)) {
		return '1 day ago';
	} else {
		return (parseInt(delta / 86400)).toString() + ' 天前';
	}
}