/*
 * jQuery autoResize (textarea auto-resizer)
 * @copyright James Padolsey http://james.padolsey.com
 * @version 1.04
 */

(function(a){a.fn.autoResize=function(j){var b=a.extend({onResize:function(){},animate:true,animateDuration:150,animateCallback:function(){},extraSpace:20,limit:1000},j);this.filter('textarea').each(function(){var c=a(this).css({resize:'none','overflow-y':'hidden'}),k=c.height(),f=(function(){var l=['height','width','lineHeight','textDecoration','letterSpacing'],h={};a.each(l,function(d,e){h[e]=c.css(e)});return c.clone().removeAttr('id').removeAttr('name').css({position:'absolute',top:0,left:-9999}).css(h).attr('tabIndex','-1').insertBefore(c)})(),i=null,g=function(){f.height(0).val(a(this).val()).scrollTop(10000);var d=Math.max(f.scrollTop(),k)+b.extraSpace,e=a(this).add(f);if(i===d){return}i=d;if(d>=b.limit){a(this).css('overflow-y','');return}b.onResize.call(this);b.animate&&c.css('display')==='block'?e.stop().animate({height:d},b.animateDuration,b.animateCallback):e.height(d)};c.unbind('.dynSiz').bind('keyup.dynSiz',g).bind('keydown.dynSiz',g).bind('change.dynSiz',g)});return this}})(jQuery);

//display tweets -- http://twitter.com/javascripts/blogger.js
function twitterCallback2(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>';
		});
		statusHTML.push('<li><span>'+status+'</span> <a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a></li>');
	}
	var t = document.getElementById('twitter_update_list')
	t.style.display = 'none';
  t.innerHTML = statusHTML.join('');
	$(t).fadeIn(800);
	document.getElementById('ajax-loader').style.display = 'none';
}

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 'less than a minute ago';
	} else if(delta < 120) {
		return 'about a minute ago';
	} else if(delta < (60*60)) {
		return (parseInt(delta / 60)).toString() + ' minutes ago';
	} else if(delta < (120*60)) {
		return 'about an hour ago';
	} else if(delta < (24*60*60)) {
		return 'about ' + (parseInt(delta / 3600)).toString() + ' hours ago';
	} else if(delta < (48*60*60)) {
		return '1 day ago';
	} else {
		return (parseInt(delta / 86400)).toString() + ' days ago';
	}
}

//google analytics
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-17537479-1']);
_gaq.push(['_trackPageview']);

(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();

$(document).ready(function() {
	//enable the textarea auto-resizer
	$('textarea').autoResize();
  
	//show/hide contact form
	$('a#contactMe').click(function(){
		var el = document.getElementById('contact');
		if (el.style.display == 'block') {
			$(this).removeClass('formShown');
			$(this).addClass('formHidden');
		}
		else if (el.style.display == 'none') {
			$(this).removeClass('formHidden');
			$(this).addClass('formShown');
		}
		$('form').slideToggle();
		return false; //stop the hash sign appearing in the address bar
	});

	//hide statusmessage
	$('#statusmessage').click(function(){
		$(this).hide(300);
	});

	//ajax loader display on form submit
	$('form').submit(function() {
		document.getElementById('ajax-loader-email').style.display='inline';
	});
});

//hide modal (internet explorer)
function hideModal(){  
	document.getElementById("modal").style.display = 'none';
	document.getElementById("overlay").style.display = 'none'; 
}