My first script is not working

Hi,

I just made a new html page and save the below code and browse using
explorer but nothinh apear on the page

<style>

.aw-column-1 {width: 200px;}

</style>
<script>

var obj = new AW.UI.Grid;
obj.setCellText("cell");
obj.setHeaderText("header");
obj.setColumnCount(10);
obj.setRowCount(10);
document.write(obj);

</script>

Pls let me know what i have to do

check that the path to aw.js and aw.css is correct.