test.html
<HTML>
<HEAD>
<BODY>
<FORM NAME=test ID=test ENCTYPE="MULTIPART/FORM-DATA" ACTION='test.php' METHOD="POST">
<INPUT TYPE="FILE" STYLE='width:50%' NAME=strUserFile ID=strUserFile>
<INPUT TYPE="SUBMIT" NAME=btnSubmit ID=btnSubmit STYLE='width:10%' VALUE=Upload>
</FORM>
</BODY>
</HEAD>
</HTML>
test.php
<?
$path = "/somepath/";
$tmp_filename = $FILES['strUserFile']['tmp_name'];
$file_name = $path.$FILES['strUserFile']['name'];
move_uploaded_file ( $tmp_filename, $file_name );
?>
Note that the path should have complete write permissions