The select() method selects the input area of the upload field.
<html> <head> <title>Using select() method of the FileUpload object</title> </head> <body> <script language = "JavaScript"> <!-- function enterName(){ document.form1.uploadbox.select(); } --> </script> <form name="form1"> <input type="file" name="uploadbox"> <br><br> <input type="button" value="Go to Filename Box" onClick="enterName()"> </body> </form> </html>