$(function(){

	/* MLB comments */
	$('#mlb li span.summary').hide();
	
	$('#mlb li').hover(function(){
		var span = $(this).children('span.summary');
		$(span).fadeIn('fast');
	},function(){
		var span = $(this).children('span.summary');
		$(span).hide();
	});
	
	/* search field value */
	$('#search input[type="text"]').val('SEARCH');
	$('#search input[type="text"]').focus( function() {
		if ($(this).val()=="SEARCH") {$(this).val("");}
	}).blur( function() {
    	if ($(this).val()=="") {$(this).val("SEARCH");}
    });

	/* equal height columns */
	equalHeight($('#archive-posts ul'));

	/* latest tweet */
	var username = 'csskarma';
	$.getScript('http://twitter.com/statuses/user_timeline/' + username + '.json?callback=twitterCallback2&count=1');

	/* Sliding Labels */
	$('form#commentform label').each(function(){
		var labelColor = '#999';
		var restingPosition = '31%';
		
		// style the label with JS for progressive enhancement
		$(this).css({
			'color' : labelColor,
			'position' : 'absolute',
		 	'top' : '14px',
			'right' : restingPosition,
			'display' : 'inline',
			'text-align' : 'left',
			'min-width' : '50px',
	    	'z-index' : '99'
		});
				
		var inputval = $(this).next().val();
		
		// grab the label width, then add 5 pixels to it
		var labelwidth = $(this).width();
		var labelmove = labelwidth;
		
		//onload, check if a field is filled out, if so, move the label out of the way
		if(inputval !== ''){
			$(this).stop().animate({ 'right':'55px' }, 1);
		}    	
		
		// if the input is empty on focus move the label to the left
		// if it's empty on blur, move it back
		$('input, textarea').focus(function(){
			var label = $(this).prev('label');
			var width = $(label).width();
			var adjust = width + 5 + 'px';
			var value = $(this).val();
			
			if(value == ''){
				label.stop().animate({ 'right':'55px' }, 'fast');
			} else {
				label.css({ 'right':'55px' });
			}
		}).blur(function(){
			var label = $(this).prev('label');
			var value = $(this).val();
			
			if(value == ''){
				label.stop().animate({ 'right':restingPosition }, 'fast');
			}	
			
		});	
	}); // End Sliding Labels "each" statement

});//end loaded jQuery

/* Equal height columns */
function equalHeight(group) {
	tallest = 0;
	group.each(function() {
		thisHeight = $(this).height();
		if(thisHeight > tallest) {
			tallest = thisHeight;
		}
	});
	group.height(tallest);
} //

/* Twitter */
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('<p>&ldquo;'+status+'&rdquo; &ndash; <small>'+relative_time(twitters[i].created_at)+'</small></p>');
  }
  
  $('.loading').fadeOut(750, function() {
		 $('#latest_tweet').append($(statusHTML.join('')).hide().fadeIn(750));									
  });
} // twitterCallback2()

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';
  }
} // relative_time()