I know that this is not a complex issue ,i tried my best on it but no luck.

I have a php pages where i want to put the js script as externaly.
i have this code but not working.
If i put the code directly in the head area then works but externaly linking is not working.

<head><title>&raquo; School Registration From</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<SCRIPT language="JavaScript" src="script.js" type="text/javascript"></SCRIPT>
<script language="javascript" src="script.js"></script>
<link rel="stylesheet" href="styles/style.css" type="text/css">