function setActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
}

function getActiveStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
		&& a.getAttribute("rel").indexOf("alt") == -1
		&& a.getAttribute("title")
		) return a.getAttribute("title");
	}
	return null;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function writeSwitcher() {
	var switcher = (getActiveStyleSheet() == "elastic") ? "Switch to Fixed Layout" : "Switch to Elastic Layout";
	document.write('<a id="switchlink" href="#" onclick="switchLayout(); return false;" title="Click here to change the content width"><span>' + switcher + '</span></a>');
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

function switchLayout() {
	var title = (getActiveStyleSheet() == "elastic") ? "fixed" : "elastic";
	setActiveStyleSheet(title);
	document.getElementById("switchlink").firstChild.firstChild.nodeValue = (getActiveStyleSheet() == "elastic") ? "Switch to Fixed Layout" : "Switch to Elastic Layout";
	createCookie("style", title, 365);
}

function reloadPreviewDiv() {
	var previewString = document.getElementById("commentText").value;
	if (previewString.length > 0){
		previewString = previewString.replace(new RegExp("(.*)\n\n([^#\*\n\n].*)","g"), "<p>$1</p><p>$2</p>");
		previewString = previewString.replace(new RegExp("(.*)\n([^#\*\n].*)","g"), "$1<br />$2");
	}
	document.getElementById("commentPreview").innerHTML = previewString;
}


	$(document).ready( function() {
		k=0;
		var url = "http://twitter.com/status/user_timeline/AndreiAvramescu.json?count=20&callback=?";
		$.getJSON(url,
        function(data){
			$.each(data, function(i, item) {

				if (item.text.indexOf('@')>=0){
				}
				else{
					k=k+1;
					if (k<6){
						$("img#profile").attr("src", item.user["profile_image_url"]); 
						$("#tweets ul").append("<li>" + item.text.linkify()  + "</li>");
					}	
				}
			});
        });
	});
	
	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;
}