placed toElement as span

Niether <br> nor <a> are guaranteed to take up vertical or horizontal
space and without taking up space, they are not guaranteed to maintain
js offset internals.  Revised to use an html element that will take up
space: <span id="slave-###">&nbsp:</span>

-	modified:   src/uncategorized/slaveSummary.tw

src/uncategorized/slaveSummary.tw

@@ -156,7 +156,6 @@
                                 });
                                 $("[data-scroll-to]").click(function() {
                                         var $this = $(this), $toElement = $this.attr('data-scroll-to'),
-                                                $focusElement = $this.attr('data-scroll-focus'),
                                                 /*
                                                 * note the *1 enforces $offset to be an integer, without
                                                 * it we scroll to True, which goes nowhere fast.
@@ -748,7 +747,7 @@ will
 
 <</if>> /* closes _numFacilities */
 
-<<print '<br id="slave-' + $slaves[_ssi].ID + '"/>'>>
+<<print '<span id="slave-' + $slaves[_ssi].ID + '">&nbsp;</span><br/>'>>
 <<if $seeImages != 1 || $seeSummaryImages != 1 || $imageChoice == 1>>&nbsp;&nbsp;&nbsp;&nbsp;<</if>>
 
 <<SlaveSummary _Slave>>