gantt chart fixes
diff --git a/public/js/all-web.js b/public/js/all-web.js
index c625deb..d2a8b90 100644
--- a/public/js/all-web.js
+++ b/public/js/all-web.js
@@ -360,9 +360,8 @@
function same_day(d1,d2){if(d1.getFullYear()==d2.getFullYear()&&d1.getMonth()==d2.getMonth()&&d1.getDate()==d2.getDate())return true;else return false;}
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){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)
+wn.datetime={str_to_obj:function(d){if(typeof d=="object")return 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){if(typeof d=='string')return 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){var dt=dateutil.str_to_obj(d);var new_dt=new Date(dt.getTime()+(days*24*60*60*1000));return dateutil.obj_to_str(new_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))