@sparky2: yeah, that is certainly possible, but that would cancel out the purpose of this hack being named as "vB3 Similar Threads," as it is suppose to visually look and function like the vB3 feature over at vBulletin.com. Despite the fact that I use a mySQL function MATCH..AGAINST which is probably not as efficient compared to the method Freddie used, which he explained
here, but oh well.... this version works well enough for me.
Feel free to make that request yourself, as it surely isn't difficult to do.