<!DOCTYPE html>
<head>
<script>
function onload() {
document.getElementById("1").setAttribute("src", "");
document.getElementById("2").removeAttribute("src");
document.getElementById("3").setAttribute("src","resources/green.jpg");
}
</script>
</head>
<body onLoad="onload()">
<span>Test to check for image update when source is changed/cleared</span><br>
<img id="3">
<img alt="1" id="1" src="resources/green.jpg">
<img alt="2" id="2" src="resources/green.jpg">
</body>
</html>