Function generateDisplayFilePath

Function reduces long path names and creates a dynamic tooltipp which shows the full path name on mouseover

Package: Core\Backend
Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Jan Lengowski, Timo Trautmann
Located at includes/functions.upl.php

Parameters summary
`string`	`$sDisplayPath`	Original filepath
`integer`	`$iLimit`	Limit of chars which were displayed directly. If the path string is shorter there will be no tooltip

Return value summary
`string`	Contains short path name and tooltipp if neccessary