Is it possible to create two iframes side by side?

Pl look into the following code. It is creating two iframes one after the
other. How can I create twi iframes side by side..

<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>New Page 1</title>
</head>
<script>
document.write("<IFRAME NAME=EditCtrl WIDTH=50%></IFRAME>")
document.write("<IFRAME NAME=EditCtrl1 WIDTH=50%></IFRAME>")
</script>
<body>

</body>

</html>

regards
Kiran