var old = 0;
var current = 0;
function moodImageChange() {
	while (current == old) {
		current = Math.floor(Math.random()*moodImages.length);
		if (moodImages[current] == '') old = current;
	}
	old = current;
	document.getElementById('moodImage').style.cssText = "background-image: url('"+moodImages[current]+"');";
	setTimeout('moodImageChange()',5000);
}