var timer = 5000; // Milliseconds
var $j = jQuery;
var i = 1;

function cycleImage() {
	var mod = i % 3;
	$j(".imgSlider").fadeOut(1000);
	switch(mod) {
		case 1:
			$j("#imgSlider1").fadeIn(1000);
			break;
		case 2:
			$j("#imgSlider2").fadeIn(1000);
			break;
		default:
			$j("#imgSlider3").fadeIn(1000);
	};
	i++;
}

jQuery(document).ready(function(){

	var timer = 5000;
	jQuery(".imgSlider")
		.css("backgroundPosition","right top")
		.hide();
	jQuery("#imgSlider3").show();

	setInterval("cycleImage()",timer);

});