var index = 0;
var count = 10;
var imgArray = new Array(count);

function loadGallery() {
	for(var i = 0; i < imgArray.length; i++) {
		imgArray[i] = new Image();
		imgArray[i].src = "/images/slideshow/" + (i+1) + ".jpg";
	}
}

function showImage() {
	document.getElementById("imgGallery").src = imgArray[index].src;
	if(index<count-1) {
		index++;
	}
	else {
		index = 0;
	}
	setTimeout("showImage()",4000);
}

loadGallery();