JavaScript DHTML/Node Operation/insertBefore
"insertBefore()" Example
<html>
<body>
<script language="JavaScript">
function function1() {
var myElement = document.createElement("<div style="width:300; height:200;background-color:blue;"></div>");
document.all.myDiv.insertBefore(myElement);
}
</script>
<button id="myButton" onclick="function1();">Insert element</button>
<div id="myDiv" style="width:300; height:200; border:solid black 1px;">
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</div>
</body>
</html>