Hello friends,

i was written this code this is my first application in ExtJs. pls observe the code

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" type="text/css" href="css/ext-all.css"/>
<script type="text/javascript" src="lib/ext-base.js"></script>
<script type="text/javascript" src="lib/ext-all.js"></script>
<script type="text/javascript" src="lib/array-grid.js"></script>
<table width="100%" align="center">
<td width="100%" align="center" style="padding-top:100px;">
<div id="mydiv"></div>
this is html page

and i got script error message like 'dom' is null not an object.

i dont understand what it is.
but as my requirement it should be print the datagrid based on array-grid.js file

thanks for any information.