@@ -9,7 +9,7 @@ var pageClass = {

     },

     del : func (id = nil) {

-        if (id != nil and typeof(v) == 'scalar') {

+        if (id != nil and typeof(id) == 'scalar') {

             delete(me.state, id);

             id = [ id ];

         }

@@ -78,8 +78,8 @@ var pageClass = {

             end: 9999,            # last canvas element of the scrolling area

             upper: -9999,         # group printed on the top of the scrolling area

             lower: 9999,          # group printed at the bottom of the scrolling area

-            lines : scroll.lines, # number of lines for the scrolling area

-            columns : scroll.columns, # number of objects on each scrolling lines

+            lines : scroll != nil ? scroll.lines : 0, # number of lines for the scrolling area

+            columns : scroll != nil ? scroll.columns : 0, # number of objects on each scrolling lines

         };

         var scrollgroup = {};

         forindex (var line; state.objects) {

@@ -166,6 +166,8 @@ var pageClass = {

             printlog('debug', 'missing parameter l or h');

             return;

         }

+        var save_x = geometry.x;

+        var save_y = geometry.y;

         me.state[id] = {

             objects: objects,

             geometry: geometry,

@@ -182,5 +184,7 @@ var pageClass = {

         me.state[id].geometry.x += 10;

         me.state[id].geometry.y += 16;

         me.fill(id, scroll);

+        geometry.x = save_x;

+        geometry.y = save_y;

     },

 };