var step = 1;


function addEvent(elm, evType, fn, useCapture) {
if (elm.addEventListener) {
	elm.addEventListener(evType, fn, useCapture);
	return true;
	} 
else if (elm.attachEvent) {
	var r = elm.attachEvent('on' + evType, fn);
	return r;
	} 
else {
	elm['on' + evType] = fn;
	}
}

function anim() {

$("#bigimage").attr({ src:"../images/" + imageId + step + ".jpg" });

$("#bigimage")
.animate({opacity: 1.0}, 1500)
.animate({opacity: 1.0}, 5000)
.animate({opacity: 0}, 1500, "linear", animNext);

}

function animNext() {
	if (step < numberOfImages) {
		step++;
	}
	else {
		step=1;
	}		
		
anim();		

}