// JavaScript Document

function addEventSimple(obj,evt,fn) {
	if (obj.addEventListener)
		obj.addEventListener(evt,fn,false);
	else if (obj.attachEvent)
		obj.attachEvent('on'+evt,fn);
}


function removeEventSimple(obj,evt,fn) {
	if (obj.removeEventListener)
		obj.removeEventListener(evt,fn,false);
	else if (obj.detachEvent)
		obj.detachEvent('on'+evt,fn);
}


//using the anonymous function
addEventSimple(window,'load', function() {
	checkIfLoaded();
	start();

});



function start() {
var north = false;
var backImg = ['images/backgroundStuff.gif','images/backgroundStuff2.gif','images/backgroundStuff3.gif','images/backgroundStuff4.gif'];
var today = new Date();
var month = today.getMonth();
if (today.getDate() > 20) month++;
document.getElementById('homecontent').style.backgroundImage = 'url('+backImg[Math.floor((month+(north?6:0))/3)%4]+')';
}

function checkIfLoaded() {
var pageLoaded = 0;
window.onload = function() {pageLoaded = 1;}
function loaded(i,f) {
if (document.getElementById && document.getElementById(i) != null) f();
else if (!pageLoaded) setTimeout('loaded(\''+i+'\','+f+')',100);
}
loaded('homecontent',start);
}