<!DOCTYPE html>
<html>
<body>
<p id="pid"></p>
<img id="img_id1" src="pic1.png" width="125" height="125">
<img id="img_id2"src="pic2.png" width="136" height="136">
<img id="img_id3" src="pic3.pngf" width="142" height="142">
<script>
for (var i = 0; i < document.images.length; i++)
document.getElementById("pid").innerHTML += document.images[i].id + "<br />";
</script>
</body>
</html>
<!--
run:
img_id1
img_id2
img_id3
-->