Can i detect size of external file from swf?

programming flash
1

[font=verdana, arial, helvetica][size=2]Can i detect size of external file from swf?

I have btn link in SWF for XSL file and the file is 1 mb big.

I possible to detect the size of XLS and then show e.g. with preloader the downloaded size?

i use FL MX

thanks jan[/size][/font]