Can you preload txt files?

In my flash file, I have a scrollbar component pulling text from a txt file. When I view my swf over the internet, sometimes it is slow to display the text inside of the scrollbar text area.

Is there a way to correct this slow lag time? Perhaps preload the txt files somehow?

I appreciate any tips you have for me. Thanks.

The actionscript I am using to pull the text from the txt file is:
loadText = new LoadVars();
//creating the loadVarsText function
loadText.onLoad = function() {
scroller.text = this.projecttext;