Trouble with import-livejournal script

I’m really scratching my head at this point, all indications point to the fact that I am doing this right, but I am not getting anywhere with this.

A brief summary of my problem:

I am attempting to import my livejournal entries from an XML file that was created using livejournal’s export tool. I saved the raw xml file locally and then uploaded it to my webserver into the same directory as the import script(/wp-admin).

I went in and edited the file to what I believe to be correct:

<p>Howdy! This importer allows you to extract posts from a LiveJournal XML export file. To get started you must edit the following line in this file (<code>import-livejournal.php</code>) </p>
<p><code>define('XMLFILE', '');</code></p>
<p>You want to define where the XML file we'll be working with is, for example: </p>
<p><code>define('XMLFILE', '2002-04.xml');</code></p>
<p>You have to do this manually for security reasons.</p>
<p>If you've done that and you’re all ready, <a href="import-livejournal.php?step=1">let's go</a>!</p>
<?php
break;
define('XMLFILE', 'export_do.xml'); //I added this line, everything else was left untouched
case 1:
if ('' != XMLFILE && !file_exists(XMLFILE)) die("The file you specified does not seem to exist. Please check the path you've given.");
if ('' == XMLFILE) die("You must edit the XMLFILE line as described on the <a href='import-rss.php'>previous page</a> to continue.");

I am totally lost at this point and I am hoping this is a simple fix.