function shownext() {

	document.getElementById("prev").visible = true;
	var image = document.getElementById("comics");

	var start = image.src.indexOf("images");

	var tmp = image.src.substring(start+10,start+12);


	if (tmp.indexOf("0") == 0) {
		tmp = tmp.substring(1,2);
	}
	var count = parseInt(tmp);

	count++;

	if (count == 15) {
		document.getElementById("next").enabled = false;
	}

//	alert(count);
	
	if (count <10) {
		image.src="images/Aad0" + count + ".jpg";	
	} else {
		image.src="images/Aad" + count + ".jpg";
	}
}

function showprev() {

	document.getElementById("next").enabled = true;
	var image = document.getElementById("comics");

	var start = image.src.indexOf("images");

//	alert(image.src.substring(start+10,start+12));

	var count = parseInt(image.src.substring(start+10,start+12));


	count--;

	if (count == 1) {
		document.getElementById("prev").enabled = false;
	}

//	alert(count);
	
	if (count <10) {
		image.src="images/Aad0" + count + ".jpg";	
	} else {
		image.src="images/Aad" + count + ".jpg";
	}
}