// JavaScript Document
$(document).ready(function(){
	$(".rollover_img").fadeTo("slow", 1.0);
	$(".rollover_img").hover(function(){
		$(this).fadeTo("slow", 0.6);
	},
	function(){
		$(this).fadeTo("slow", 1.0);
	});

	var url = "http://twitter.com/status/user_timeline/ohlalacom.json?count=1&callback=?";
	$.getJSON(url, function(data){
		$.each(data, function(i, item) {
			$('p#twitter').prepend('\
				<span class="tweet-content">'+item.text.linkify()+'</span>\n\
				<span class="tweet-link"><a href="http://twitter.com/ohlalacom/statuses/'+item.id+'">#</a></span>\n\
				<span class="tweet-time"><abbr title="'+item.created_at+'">'+relative_time(item.created_at)+'</abbr></span>\n\
			');
		});
	});
	
	$("div#slider").scrollable({
		size:1
	});
	$("div#works-scroll").scrollable({
		size:4
	});
	$('a.browse').click(function(e){e.preventDefault();});
});

String.prototype.linkify = function() {
	return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(m) {
		return m.link(m);
	});
};

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);

	var r = '';
	if (delta < 60) {
		r = 'a minute ago';
	} else if(delta < 120) {
		r = 'couple of minutes ago';
	} else if(delta < (45*60)) {
		r = (parseInt(delta / 60)).toString() + ' minutes ago';
	} else if(delta < (90*60)) {
		r = 'an hour ago';
	} else if(delta < (24*60*60)) {
		r = '' + (parseInt(delta / 3600)).toString() + ' hours ago';
	} else if(delta < (48*60*60)) {
		r = '1 day ago';
	} else {
		r = (parseInt(delta / 86400)).toString() + ' days ago';
	}

	return r;
}

function twitter_callback() {
	return true;
}