var j = 0;
function startSlide(){
	new Effect.Fade('content_image',{
		duration: 2.0,
		to: 0.01,
		afterFinish: function(){
			beforeUpdate:$('content_image').innerHTML='<img src="'+aImages[j]+'" alt="" />';
			new Effect.Appear('content_image',{
				duration: 2.0
			})}
	});
	if(j < (aImages.length-1)){
		j++;
	} else {
		j=0;
	}
	window.setTimeout("startSlide()",7000);
}