Javascript-форум - Помогите с iframe

<head>

<script type="text/javascript">
window.onload=function() {
if (document.getElementById) {
document.getElementById('myForm').onsubmit = function() { return processForm(); }
}
}
function processForm() {
if (document.getElementById) {
if (document.getElementById('input1').value=='') { alert('Enter a file name.'); }
else { document.getElementById('I1').src = document.getElementById('input1').value ; }
return false;
}
}
</script>

<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<meta http-equiv="content-type" content="text/html; charset=windows-1251" />

<body>

<img src="allah.png" alt="enter" />
<form name="adress_bar" method="post" action="#" >
<tex><input type="text" size="73" name="input1" id="input1" value="" ></tex>
<loop> <INPUT TYPE=IMAGE SRC="loop.png" > </loop>

<br><iframe id="I1" width="837" height="800" ></iframe>
</body>

Ннада: перейти в iframe по адресу взятому из формы.
Не работает.
help!

<html> <head> <meta http-equiv="content-type" content="text/html; charset=windows-1251" /> <link rel="stylesheet" type="text/css" href="style.css" /> <script type="text/javascript"> window.onload=function() { document.getElementById('myForm').onsubmit = function() { processForm(); return false; } } function processForm() { if (document.getElementById('input1').value=='') { alert('Enter a file name.'); } else { document.getElementById('I1').src = document.getElementById('input1').value; } } </script> </head> <body> <img src="allah.png" alt="enter" /> <form name="adress_bar" method="post" action="#" id="myForm"> <tex><input type="text" size="73" name="input1" id="input1" value="http://javascript.ru"></tex> <loop> <INPUT TYPE="image" SRC="loop.png" > </loop> <br><iframe id="I1" width="837" height="800"></iframe> </body> </html>