function linkify(inputText) {

var replaceText, replacePattern1, replacePattern2, replacePattern3;

//URLs starting with http://, https://, or ftp://
replacePattern1 = /(\b(https?|ftp):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gim;
replacedText = inputText.replace(replacePattern1, '<a href="$1" target="_blank">$1</a>');

//URLs starting with www. (without // before it, or it'd re-link the ones done above)
replacePattern2 = /(^|[^\/])(www\.[\S]+(\b|$))/gim;
replacedText = replacedText.replace(replacePattern2, '$1<a href="http://$2" target="_blank">$2</a>');

//Change email addresses to mailto:: links
replacePattern3 = /(\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,6})/gim;
replacedText = replacedText.replace(replacePattern3, '<a href="mailto:$1">$1</a>');

return replacedText
}

$(document).ready(function () {

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';
}
}

$.ajax({
url: 'http://twitter.com/status/user_timeline/ConcentraHealth.json',
type: "GET",
dataType: "jsonp",
error: function (a, b, c) {

},
success: function (tweet) {
$("#twitterImage").attr("src", tweet[0].user.profile_image_url);
var twitterMessage = tweet[0].text;
$("#twitterMessage").html(linkify(twitterMessage));
$('#twitterTime span').html(relative_time(tweet[0].created_at));
$("#item_twitter").slideDown("slow");
}
});
});