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<HTML>
<HEAD>
<TITLE>Extract pathname</TITLE>
<SCRIPT LANGUAGE="JavaScript">
// general purpose function to extract URL of current directory
function getDirPath(URL) {
var result = unescape(URL.substring(0,(URL.lastIndexOf("/")) + 1))
return result
}
// handle button event, passing work onto general purpose function
function showDirPath(URL) {
alert(getDirPath(URL))
}
</SCRIPT>
</HEAD>
<BODY>
<FORM>
<INPUT TYPE="button" VALUE="View directory URL" onClick="showDirPath(window.location.href)">
</FORM>
</BODY>
</HTML>
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