ActionScript 2.0 :: Adding Text In Front Of Loaded .txt File?

I want to load a txt/dat file into flash - the file looks like this:

<p>testujemyTRESC</p>

Now, loading this text by loadText i need it to begin with "n=". Is it possible to add for example "n=" in front of the text outside the text ediotr? I can get the data loaded without the "n=" mark by a code like this:

var lv:LoadVars = new LoadVars();
lv.onData = function(content) {
textarea.text = content;
textarea.html = true;
}

If I do so the html tags are not working.