invoice period in print format if recurring invoice
diff --git a/js/all-app.js b/js/all-app.js
index ddbbc48..1545c55 100644
--- a/js/all-app.js
+++ b/js/all-app.js
@@ -589,7 +589,8 @@
 var month_list=['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];var month_last={1:31,2:28,3:31,4:30,5:31,6:30,7:31,8:31,9:30,10:31,11:30,12:31}
 var month_list_full=['January','February','March','April','May','June','July','August','September','October','November','December'];var week_list=['Sun','Mon','Tue','Wed','Thu','Fri','Sat'];var week_list_full=['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];function int_to_str(i,len){i=''+i;if(i.length<len)for(c=0;c<(len-i.length);c++)i='0'+i;return i}
 wn.datetime={str_to_obj:function(d){if(!d)return new Date();var tm=[null,null];if(d.search(' ')!=-1){var tm=d.split(' ')[1].split(':');var d=d.split(' ')[0];}
-if(d.search('-')!=-1){var t=d.split('-');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else if(d.search('/')!=-1){var t=d.split('/');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else{return new Date();}},obj_to_str:function(d){return d.getFullYear()+'-'+int_to_str(d.getMonth()+1,2)+'-'+int_to_str(d.getDate(),2);},obj_to_user:function(d){return dateutil.str_to_user(dateutil.obj_to_str(d));},get_diff:function(d1,d2){if(typeof d1=='string')d1=dateutil.str_to_obj(d1);if(typeof d2=='string')d2=dateutil.str_to_obj(d2);return((d1-d2)/86400000);},get_day_diff:function(d1,d2){return dateutil.get_diff(new Date(d1.getYear(),d1.getMonth(),d1.getDate(),0,0),new Date(d2.getYear(),d2.getMonth(),d2.getDate(),0,0))},add_days:function(d,days){d.setTime(d.getTime()+(days*24*60*60*1000));return d},add_months:function(d,months){dt=dateutil.str_to_obj(d)
+if(d.search('-')!=-1){var t=d.split('-');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else if(d.search('/')!=-1){var t=d.split('/');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else{return new Date();}},obj_to_str:function(d){return d.getFullYear()+'-'+int_to_str(d.getMonth()+1,2)+'-'+int_to_str(d.getDate(),2);},obj_to_user:function(d){return dateutil.str_to_user(dateutil.obj_to_str(d));},get_diff:function(d1,d2){if(typeof d1=='string')d1=dateutil.str_to_obj(d1);if(typeof d2=='string')d2=dateutil.str_to_obj(d2);return((d1-d2)/86400000);},get_day_diff:function(d1,d2){return dateutil.get_diff(new Date(d1.getYear(),d1.getMonth(),d1.getDate(),0,0),new Date(d2.getYear(),d2.getMonth(),d2.getDate(),0,0))},add_days:function(d,days){dt=dateutil.str_to_obj(d)
+dt.setTime(dt.getTime()+(days*24*60*60*1000));return dateutil.obj_to_str(dt);},add_months:function(d,months){dt=dateutil.str_to_obj(d)
 new_dt=new Date(dt.getFullYear(),dt.getMonth()+months,dt.getDate())
 if(new_dt.getDate()!=dt.getDate()){return dateutil.month_end(new Date(dt.getFullYear(),dt.getMonth()+months,1))}
 return dateutil.obj_to_str(new_dt);},month_start:function(){var d=new Date();return d.getFullYear()+'-'+int_to_str(d.getMonth()+1,2)+'-01';},month_end:function(d){if(!d)var d=new Date();var m=d.getMonth()+1;var y=d.getFullYear();last_date=month_last[m];if(m==2&&(y%4)==0&&((y%100)!=0||(y%400)==0))
@@ -612,11 +613,11 @@
 wn.datetime.only_date=function(val){if(val==null||val=='')return null;if(val.search(':')!=-1){var tmp=val.split(' ');var d=tmp[0].split('-');}else{var d=val.split('-');}
 if(d.length==3)
 val=d[2]+'-'+d[1]+'-'+d[0];return val;}
-wn.datetime.time_to_ampm=function(v){if(!v){var d=new Date();var t=[d.getHours(),cint(d.getMinutes()/5)*5+'']}else{var t=v.split(':');}
+wn.datetime.time_to_ampm=function(v){if(!v){var d=new Date();var t=[d.getHours(),cint(d.getMinutes()/5)*5]}else{var t=v.split(':');}
 if(t.length!=2){show_alert('[set_time] Incorect time format');return;}
 if(cint(t[0])==0)var ret=['12',t[1],'AM'];else if(cint(t[0])<12)var ret=[cint(t[0])+'',t[1],'AM'];else if(cint(t[0])==12)var ret=['12',t[1],'PM'];else var ret=[(cint(t[0])-12)+'',t[1],'PM'];return ret;}
 wn.datetime.time_to_hhmm=function(hh,mm,am){if(am=='AM'&&hh=='12'){hh='00';}else if(am=='PM'&&hh!='12'){hh=cint(hh)+12;}
-if(!mm)mm='00';if(!hh)hh='00';return hh+':'+mm;}
+return hh+':'+mm;}
 function prettyDate(time){if(!time)return''
 var date=time;if(typeof(time)=="string")
 date=new Date((time||"").replace(/-/g,"/").replace(/[TZ]/g," ").replace(/\.[0-9]*/,""));var diff=(((new Date()).getTime()-date.getTime())/1000),day_diff=Math.floor(diff/86400);if(isNaN(day_diff)||day_diff<0)
@@ -830,7 +831,7 @@
 me.last_value=val;me.run_trigger();}
 this.input.set_input=function(val){if(val==null)val='';me.input.value=val;if(me.format_input)me.format_input();}
 if(this.df.options=='Suggest'){if(this.suggest_icon)$di(this.suggest_icon);$(me.input).autocomplete({source:function(request,response){wn.call({method:'webnotes.widgets.search.search_link',args:{'txt':request.term,'dt':me.df.options,'query':repl('SELECT DISTINCT `%(fieldname)s` FROM \
-       `tab%(dt)s` WHERE `%(fieldname)s` LIKE "%s" LIMIT 50',{fieldname:me.df.fieldname,dt:me.df.parent})},callback:function(r){response(r.results);}});},select:function(event,ui){me.set(ui.item.value);}});}}
+       `tab%(dt)s` WHERE `%(fieldname)s` LIKE "%s" LIMIT 50',{fieldname:me.df.fieldname,dt:me.df.parent})},callback:function(r){response(r.results);}});}});}}
 DataField.prototype.validate=function(v){if(this.df.options=='Phone'){if(v+''=='')return'';v1=''
 v=v.replace(/ /g,'').replace(/-/g,'').replace(/\(/g,'').replace(/\)/g,'');if(v&&v.substr(0,1)=='+'){v1='+';v=v.substr(1);}
 if(v&&v.substr(0,2)=='00'){v1+='00';v=v.substr(2);}
@@ -1521,7 +1522,7 @@
 me.last_value=val;me.run_trigger();}
 this.input.set_input=function(val){if(val==null)val='';me.input.value=val;if(me.format_input)me.format_input();}
 if(this.df.options=='Suggest'){if(this.suggest_icon)$di(this.suggest_icon);$(me.input).autocomplete({source:function(request,response){wn.call({method:'webnotes.widgets.search.search_link',args:{'txt':request.term,'dt':me.df.options,'query':repl('SELECT DISTINCT `%(fieldname)s` FROM \
-       `tab%(dt)s` WHERE `%(fieldname)s` LIKE "%s" LIMIT 50',{fieldname:me.df.fieldname,dt:me.df.parent})},callback:function(r){response(r.results);}});},select:function(event,ui){me.set(ui.item.value);}});}}
+       `tab%(dt)s` WHERE `%(fieldname)s` LIKE "%s" LIMIT 50',{fieldname:me.df.fieldname,dt:me.df.parent})},callback:function(r){response(r.results);}});}});}}
 DataField.prototype.validate=function(v){if(this.df.options=='Phone'){if(v+''=='')return'';v1=''
 v=v.replace(/ /g,'').replace(/-/g,'').replace(/\(/g,'').replace(/\)/g,'');if(v&&v.substr(0,1)=='+'){v1='+';v=v.substr(1);}
 if(v&&v.substr(0,2)=='00'){v1+='00';v=v.substr(2);}
diff --git a/js/all-web.js b/js/all-web.js
index 877b541..e9e53ab 100644
--- a/js/all-web.js
+++ b/js/all-web.js
@@ -476,7 +476,8 @@
 var month_list=['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];var month_last={1:31,2:28,3:31,4:30,5:31,6:30,7:31,8:31,9:30,10:31,11:30,12:31}
 var month_list_full=['January','February','March','April','May','June','July','August','September','October','November','December'];var week_list=['Sun','Mon','Tue','Wed','Thu','Fri','Sat'];var week_list_full=['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];function int_to_str(i,len){i=''+i;if(i.length<len)for(c=0;c<(len-i.length);c++)i='0'+i;return i}
 wn.datetime={str_to_obj:function(d){if(!d)return new Date();var tm=[null,null];if(d.search(' ')!=-1){var tm=d.split(' ')[1].split(':');var d=d.split(' ')[0];}
-if(d.search('-')!=-1){var t=d.split('-');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else if(d.search('/')!=-1){var t=d.split('/');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else{return new Date();}},obj_to_str:function(d){return d.getFullYear()+'-'+int_to_str(d.getMonth()+1,2)+'-'+int_to_str(d.getDate(),2);},obj_to_user:function(d){return dateutil.str_to_user(dateutil.obj_to_str(d));},get_diff:function(d1,d2){if(typeof d1=='string')d1=dateutil.str_to_obj(d1);if(typeof d2=='string')d2=dateutil.str_to_obj(d2);return((d1-d2)/86400000);},get_day_diff:function(d1,d2){return dateutil.get_diff(new Date(d1.getYear(),d1.getMonth(),d1.getDate(),0,0),new Date(d2.getYear(),d2.getMonth(),d2.getDate(),0,0))},add_days:function(d,days){d.setTime(d.getTime()+(days*24*60*60*1000));return d},add_months:function(d,months){dt=dateutil.str_to_obj(d)
+if(d.search('-')!=-1){var t=d.split('-');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else if(d.search('/')!=-1){var t=d.split('/');return new Date(t[0],t[1]-1,t[2],tm[0],tm[1]);}else{return new Date();}},obj_to_str:function(d){return d.getFullYear()+'-'+int_to_str(d.getMonth()+1,2)+'-'+int_to_str(d.getDate(),2);},obj_to_user:function(d){return dateutil.str_to_user(dateutil.obj_to_str(d));},get_diff:function(d1,d2){if(typeof d1=='string')d1=dateutil.str_to_obj(d1);if(typeof d2=='string')d2=dateutil.str_to_obj(d2);return((d1-d2)/86400000);},get_day_diff:function(d1,d2){return dateutil.get_diff(new Date(d1.getYear(),d1.getMonth(),d1.getDate(),0,0),new Date(d2.getYear(),d2.getMonth(),d2.getDate(),0,0))},add_days:function(d,days){dt=dateutil.str_to_obj(d)
+dt.setTime(dt.getTime()+(days*24*60*60*1000));return dateutil.obj_to_str(dt);},add_months:function(d,months){dt=dateutil.str_to_obj(d)
 new_dt=new Date(dt.getFullYear(),dt.getMonth()+months,dt.getDate())
 if(new_dt.getDate()!=dt.getDate()){return dateutil.month_end(new Date(dt.getFullYear(),dt.getMonth()+months,1))}
 return dateutil.obj_to_str(new_dt);},month_start:function(){var d=new Date();return d.getFullYear()+'-'+int_to_str(d.getMonth()+1,2)+'-01';},month_end:function(d){if(!d)var d=new Date();var m=d.getMonth()+1;var y=d.getFullYear();last_date=month_last[m];if(m==2&&(y%4)==0&&((y%100)!=0||(y%400)==0))
@@ -499,11 +500,11 @@
 wn.datetime.only_date=function(val){if(val==null||val=='')return null;if(val.search(':')!=-1){var tmp=val.split(' ');var d=tmp[0].split('-');}else{var d=val.split('-');}
 if(d.length==3)
 val=d[2]+'-'+d[1]+'-'+d[0];return val;}
-wn.datetime.time_to_ampm=function(v){if(!v){var d=new Date();var t=[d.getHours(),cint(d.getMinutes()/5)*5+'']}else{var t=v.split(':');}
+wn.datetime.time_to_ampm=function(v){if(!v){var d=new Date();var t=[d.getHours(),cint(d.getMinutes()/5)*5]}else{var t=v.split(':');}
 if(t.length!=2){show_alert('[set_time] Incorect time format');return;}
 if(cint(t[0])==0)var ret=['12',t[1],'AM'];else if(cint(t[0])<12)var ret=[cint(t[0])+'',t[1],'AM'];else if(cint(t[0])==12)var ret=['12',t[1],'PM'];else var ret=[(cint(t[0])-12)+'',t[1],'PM'];return ret;}
 wn.datetime.time_to_hhmm=function(hh,mm,am){if(am=='AM'&&hh=='12'){hh='00';}else if(am=='PM'&&hh!='12'){hh=cint(hh)+12;}
-if(!mm)mm='00';if(!hh)hh='00';return hh+':'+mm;}
+return hh+':'+mm;}
 function prettyDate(time){if(!time)return''
 var date=time;if(typeof(time)=="string")
 date=new Date((time||"").replace(/-/g,"/").replace(/[TZ]/g," ").replace(/\.[0-9]*/,""));var diff=(((new Date()).getTime()-date.getTime())/1000),day_diff=Math.floor(diff/86400);if(isNaN(day_diff)||day_diff<0)