$(document).ready(function() {
	// form field naming on focus & blur
	$("form#contact .field").each(function(i) {
		if ($(this).val() == "") {
			$(this).val($(this).attr("title"));
		}
		else {
			$(this).addClass("populated");
		}
		$(this).focus(function() {
			if (this.value == $(this).attr("title")) {
				$(this).val("");
				$(this).addClass("populated");
			}
		});
		$(this).blur(function() {
			if (this.value == "") {
				$(this).val($(this).attr("title"));
				$(this).removeClass("populated");
			}
		});
	});
	
	// form field validation
	$("form#contact").validate({
		rules: {
			name: {
				required: true,
				notEqualTo: "Name *"
			},
			email: {
				required: true,
				email: true,
				notEqualTo: "Email *"
			},
			message: {
				required: true,
				notEqualTo: "Message *"
			},
			code: {
				required: true,
				notEqualTo: "Enter Captcha Code Above *"
			}
		},
		messages: {
			name: "Please enter your name above",
			email: "Please enter an email address above",
			message: "Please enter your message above",
			code: "Please enter the code you see in the box above"
		},
		submitHandler: function(form) {
			pageTracker._setVar($("form#contact input[name='name']").val());
			form.submit();
		}
	});
	
	// jquery validation add method to compare strings
	jQuery.validator.addMethod("notEqualTo",function(value, element, params) {
		return this.optional(element) || value != params;
	});
	
});

/* twitter feed */

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+'" target="_blank">'+url+'</a>';
    }).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
      return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'" target="_blank">'+reply.substring(1)+'</a>';
    });
    statusHTML.push('<li class="tweet'+i+'"><span>'+status+'</span> &mdash; <a href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'" class="age" target="_blank">'+relative_time(twitters[i].created_at)+'</a></li>');
  }
  document.getElementById('twitter_update_list').innerHTML = statusHTML.join('');
}

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';
  }
}