added a functional (small) up button in the viewer, all works

internal/js/files_support.js

@@ -580,7 +580,7 @@ function getPage(pageNumber, successCallback, viewingIdx=0)
         dataType: 'json',
         success: function(res) { 
             document.entries=res;
-            successCallback(res,viewingIdx); 
+            successCallback(res,viewingIdx)
             resetNextPrevButtons()
             // if search, disable folders
             if( OPT.search_term )
@@ -710,7 +710,6 @@ function changeOPT(successCallback) {
             // put data back into booleans, ints, etc
             OPT.folders=( OPT.folders == 'True' )
             OPT.how_many=parseInt(OPT.how_many)
-            console.log('OPT.size='+OPT.size)
             $('.how_many_text').html( ` ${OPT.how_many} files ` )
             OPT.root_eid=parseInt(OPT.root_eid)
             OPT.size=parseInt(OPT.size)
@@ -924,3 +923,16 @@ $.contextMenu({
         };
     }
 });
+
+// quick function that allows us to go out of the viewer and back, the viewercomes from files_ip/sp
+// so just redraw the page with drawPageOfFigures() as we have all the data 
+function goOutOfViewer()
+{
+    // if this returns -1, we have used arrows to go onto a new page(s)
+    if( getPageNumberForId( $('#figures').find('.figure').first().prop('id') ) == -1 )
+        drawPageOfFigures()
+
+    // hide viewer div, then show files_div
+    $('#viewer_div').addClass('d-none')
+    $('#files_div').removeClass('d-none')
+}