diff --git a/public/js/fields.js b/public/js/fields.js
index 32aa00c..c85c8c2 100644
--- a/public/js/fields.js
+++ b/public/js/fields.js
@@ -83,7 +83,7 @@
 HTMLField.prototype=new Field();HTMLField.prototype.with_label=0;HTMLField.prototype.set_disp=function(val){this.disp_area.innerHTML=val;}
 HTMLField.prototype.set_input=function(val){if(val)this.set_disp(val);}
 HTMLField.prototype.onrefresh=function(){this.set_disp(this.df.options?this.df.options:'');}
-var datepicker_active=0;function DateField(){}DateField.prototype=new Field();DateField.prototype.make_input=function(){var me=this;this.user_fmt=wn.control_panel.date_format;if(!this.user_fmt)this.user_fmt='dd-mm-yy';this.input=$a(this.input_area,'input');$(this.input).datepicker({dateFormat:me.user_fmt.replace('yyyy','yy'),altFormat:'yy-mm-dd',changeYear:true,beforeShow:function(input,inst){datepicker_active=1},onClose:function(dateText,inst){datepicker_active=0;if(_f.cur_grid_cell)
+var datepicker_active=0;function DateField(){}DateField.prototype=new Field();DateField.prototype.make_input=function(){var me=this;this.user_fmt=sys_defaults.date_format;if(!this.user_fmt)this.user_fmt='dd-mm-yy';this.input=$a(this.input_area,'input');$(this.input).datepicker({dateFormat:me.user_fmt.replace('yyyy','yy'),altFormat:'yy-mm-dd',changeYear:true,beforeShow:function(input,inst){datepicker_active=1},onClose:function(dateText,inst){datepicker_active=0;if(_f.cur_grid_cell)
 _f.cur_grid_cell.grid.cell_deselect();}});var me=this;me.input.onchange=function(){if(this.value==null)this.value='';if(!this.not_in_form)
 me.set(dateutil.user_to_str(me.input.value));me.run_trigger();}
 me.input.set_input=function(val){if(val==null)val='';else val=dateutil.str_to_user(val);me.input.value=val;}