// JavaScript Document
var xmlHttp
function GetXmlHttp() {
	var xmlhttp = false;
	if (window.XMLHttpRequest) xmlhttp = new XMLHttpRequest()
	else if (window.ActiveXObject) {
		// code for IE
		try {
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP")
		} catch (e) {
			try {
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP")
			} catch (E) {
				xmlhttp=false
			}
		}
	}
	return xmlhttp;
}
startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
					//findPos(this);
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
function loadjscssfile(filename, filetype){
	if (filetype=="js"){ //if filename is a external JavaScript file
	var fileref=document.createElement('script')
	fileref.setAttribute("type","text/javascript")
	fileref.setAttribute("src", filename)
	}
	else if (filetype=="css"){ //if filename is an external CSS file
	var fileref=document.createElement("link")
	fileref.setAttribute("rel", "stylesheet")
	fileref.setAttribute("type", "text/css")
	fileref.setAttribute("href", filename)
	}
	if (typeof fileref!="undefined")
	document.getElementsByTagName("head")[0].appendChild(fileref)
}

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>';
		});
		var l = document.createElement('LI')
		l.innerHTML = '<span>'+status+'</span> <a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a>'
		u.appendChild(l)
	}
}

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';
	}
}
Event.observe(window,'load',startList)