Milonic JavaScript Menu

mmenu.js - Line 426 says

if(ie55){ifBlnk="";if(location.protocol=="https:")ifBlnk= "/blank.htm" ;mt="<IFRAME frameborder=0 id=if"+mnu+" src=\""+ifBlnk+"\" scroll=none style=\"FILTER:progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0);visibility:hidden;height:20;position:absolute;width ...

Since using the menu, a co-worker was lead to believe through some reading here that putting an empty copy of blank.htm on the web root would speed the menu generation. Last month we recorded 288,000 hits to the file. We would like to delete it if it truely does not good but 288,000 hits says ...

does any even know what I mean?

I was told by a co worker that blank.htm would need to be kept on the root folder of the website that it would speed it up or something, is this true?