diff --git a/bower.json b/bower.json
index 5740e7a6..7fb78377 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "gantt",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "homepage": "http://dhtmlx.com/docs/products/dhtmlxGantt/",
   "description": "JavaScript event calendar. Allows to manage events and appointments in different views",
   "main": "codebase/dhtmlxgantt.js",
diff --git a/codebase/dhtmlxgantt.js b/codebase/dhtmlxgantt.js
index 843dda37..cd779bf7 100644
--- a/codebase/dhtmlxgantt.js
+++ b/codebase/dhtmlxgantt.js
@@ -35,7 +35,7 @@ if(r+="</div>",s.innerHTML=r,e.content){var d=e.content;"string"==typeof d&&(d=d
 var o=Math.abs(Math.floor(((window.innerWidth||document.documentElement.offsetWidth)-r.offsetWidth)/2)),d=Math.abs(Math.floor(((window.innerHeight||document.documentElement.offsetHeight)-r.offsetHeight)/2));return r.style.top="top"==t.position?"-3px":d+"px",r.style.left=o+"px",r.onkeydown=e,r.focus(),t.hidden&&dhtmlx.modalbox.hide(r),r}function o(t){return r(t,!0,!1)}function d(t){return r(t,!0,!0)}function l(t){return r(t)}function _(t,e,n){return"object"!=typeof t&&("function"==typeof e&&(n=e,e=""),t={text:t,type:e,callback:n}),t
 }function h(t,e,n,i){return"object"!=typeof t&&(t={text:t,type:e,expire:n,id:i}),t.id=t.id||g.uid(),t.expire=t.expire||g.expire,t}var c=null;document.attachEvent?document.attachEvent("onkeydown",e):document.addEventListener("keydown",e,!0),dhtmlx.alert=function(){var t=_.apply(this,arguments);return t.type=t.type||"confirm",o(t)},dhtmlx.confirm=function(){var t=_.apply(this,arguments);return t.type=t.type||"alert",d(t)},dhtmlx.modalbox=function(){var t=_.apply(this,arguments);return t.type=t.type||"alert",l(t)
 },dhtmlx.modalbox.hide=function(t){for(;t&&t.getAttribute&&!t.getAttribute("dhxbox");)t=t.parentNode;t&&(t.parentNode.removeChild(t),n(!1))};var g=dhtmlx.message=function(t){t=h.apply(this,arguments),t.type=t.type||"info";var e=t.type.split("-")[0];switch(e){case"alert":return o(t);case"confirm":return d(t);case"modalbox":return l(t);default:return a(t)}};g.seed=(new Date).valueOf(),g.uid=function(){return g.seed++},g.expire=4e3,g.keyboard=!0,g.position="top",g.pull={},g.timers={},g.hideAll=function(){for(var t in g.pull)g.hide(t)
-},g.hide=function(t){var e=g.pull[t];e&&e.parentNode&&(window.setTimeout(function(){e.parentNode.removeChild(e),e=null},2e3),e.className+=" hidden",g.timers[t]&&window.clearTimeout(g.timers[t]),delete g.pull[t])}}(),gantt={version:"2.1.0"},dhtmlxEventable=function(obj){obj._silent_mode=!1,obj._silentStart=function(){this._silent_mode=!0},obj._silentEnd=function(){this._silent_mode=!1},obj.attachEvent=function(t,e,n){return t="ev_"+t.toLowerCase(),this[t]||(this[t]=new this._eventCatcher(n||this)),t+":"+this[t].addEvent(e)
+},g.hide=function(t){var e=g.pull[t];e&&e.parentNode&&(window.setTimeout(function(){e.parentNode.removeChild(e),e=null},2e3),e.className+=" hidden",g.timers[t]&&window.clearTimeout(g.timers[t]),delete g.pull[t])}}(),gantt={version:"2.1.1"},dhtmlxEventable=function(obj){obj._silent_mode=!1,obj._silentStart=function(){this._silent_mode=!0},obj._silentEnd=function(){this._silent_mode=!1},obj.attachEvent=function(t,e,n){return t="ev_"+t.toLowerCase(),this[t]||(this[t]=new this._eventCatcher(n||this)),t+":"+this[t].addEvent(e)
 },obj.callEvent=function(t,e){return this._silent_mode?!0:(t="ev_"+t.toLowerCase(),this[t]?this[t].apply(this,e):!0)},obj.checkEvent=function(t){return!!this["ev_"+t.toLowerCase()]},obj._eventCatcher=function(obj){var dhx_catch=[],z=function(){for(var t=!0,e=0;e<dhx_catch.length;e++)if(dhx_catch[e]){var n=dhx_catch[e].apply(obj,arguments);t=t&&n}return t};return z.addEvent=function(ev){return"function"!=typeof ev&&(ev=eval(ev)),ev?dhx_catch.push(ev)-1:!1},z.removeEvent=function(t){dhx_catch[t]=null
 },z},obj.detachEvent=function(t){if(t){var e=t.split(":");this[e[0]].removeEvent(e[1])}},obj.detachAllEvents=function(){for(var t in this)0===t.indexOf("ev_")&&delete this[t]},obj=null},dhtmlx.copy=function(t){var e,n,i;if(t&&"object"==typeof t){for(i={},n=[Array,Date,Number,String,Boolean],e=0;e<n.length;e++)t instanceof n[e]&&(i=e?new n[e](t):new n[e]);for(e in t)Object.prototype.hasOwnProperty.apply(t,[e])&&(i[e]=dhtmlx.copy(t[e]))}return i||t},dhtmlx.mixin=function(t,e,n){for(var i in e)(!t[i]||n)&&(t[i]=e[i]);
 return t},dhtmlx.defined=function(t){return"undefined"!=typeof t},dhtmlx.uid=function(){return this._seed||(this._seed=(new Date).valueOf()),this._seed++,this._seed},dhtmlx.bind=function(t,e){return function(){return t.apply(e,arguments)}},gantt._get_position=function(t){var e=0,n=0;if(t.getBoundingClientRect){var i=t.getBoundingClientRect(),a=document.body,s=document.documentElement,r=window.pageYOffset||s.scrollTop||a.scrollTop,o=window.pageXOffset||s.scrollLeft||a.scrollLeft,d=s.clientTop||a.clientTop||0,l=s.clientLeft||a.clientLeft||0;
@@ -48,9 +48,9 @@ if(s>this.config.sensitivity){if(this.config.started=!0,this.config.ignore=!1,th
 },dragEnd:function(){this.config.marker&&(this.config.marker.parentNode.removeChild(this.config.marker),this.config.marker=null,this.callEvent("onDragEnd",[])),document.body.className=document.body.className.replace(" gantt_noselect","")},getPosition:function(t){var e=0,n=0;return t=t||window.event,t.pageX||t.pageY?(e=t.pageX,n=t.pageY):(t.clientX||t.clientY)&&(e=t.clientX+document.body.scrollLeft+document.documentElement.scrollLeft,n=t.clientY+document.body.scrollTop+document.documentElement.scrollTop),{x:e,y:n}
 }},gantt._init_grid=function(){this._click.gantt_close=dhtmlx.bind(function(t,e){this.close(e)},this),this._click.gantt_open=dhtmlx.bind(function(t,e){this.open(e)},this),this._click.gantt_row=dhtmlx.bind(function(t,e,n){if(null!==e){var i=this.getTaskNode(e),a=Math.max(i.offsetLeft-this.config.task_scroll_offset,0);this.scrollTo(a),this.callEvent("onTaskRowClick",[e,n])}},this),this._click.gantt_grid_head_cell=dhtmlx.bind(function(t,e,n){var i=n.getAttribute("column_id");if(this.callEvent("onGridHeaderClick",[i,t]))if("add"==i)this._click.gantt_add(t,this.config.root_id);
 else if(this.config.sort){var a=this._sort&&this._sort.direction&&this._sort.name==i?this._sort.direction:"desc";a="desc"==a?"asc":"desc",this._sort={name:i,direction:a},this._render_grid_header(),this.sort(i,"desc"==a)}},this),!this.config.sort&&this.config.order_branch&&this._init_dnd(),this._click.gantt_add=dhtmlx.bind(function(t,e){if(!this.config.readonly){var n=e?this.getTask(e):!1,i="";if(n)i=n.start_date;else{var a=this._order[0];i=a?this.getTask(a).start_date:this.getState().min_date}n&&(n.$open=!0);
-var s={text:gantt.locale.labels.new_task,start_date:this.templates.xml_format(i),duration:1,progress:0,parent:e};this.callEvent("onTaskCreated",[s]),this.addTask(s),this.showTask(s.id),this.selectTask(s.id),this.config.details_on_create&&this.showLightbox(s.id)}},this)},gantt._render_grid=function(){this._is_grid_visible()&&(this._calc_grid_width(),this._render_grid_header())},gantt._calc_grid_width=function(){if(this.config.autofit){for(var t=this.config.columns,e=0,n=[],i=[],a=0;a<t.length;a++){var s=parseInt(t[a].width,10);
-window.isNaN(s)&&(s=50,n.push(a)),i[a]=s,e+=s}{var r=this._get_grid_width()-e;r/(n.length>0?n.length:i.length>0?i.length:1)}if(n.length>0)for(var o=r/(n.length?n.length:1),a=0;a<n.length;a++){var d=n[a];i[d]+=o}else for(var o=r/(i.length?i.length:1),a=0;a<i.length;a++)i[a]+=o;for(var a=0;a<i.length;a++)t[a].width=i[a]}},gantt._render_grid_header=function(){for(var t=this.config.columns,e=[],n=0,i=this.locale.labels,a=this.config.scale_height-2,s=0;s<t.length;s++){var r=s==t.length-1,o=t[s];r&&this._get_grid_width()>n+o.width&&(o.width=this._get_grid_width()-n),n+=o.width;
-var d=this._sort&&o.name==this._sort.name?"<div class='gantt_sort gantt_"+this._sort.direction+"'></div>":"",l=["gantt_grid_head_cell","gantt_grid_head_"+o.name,r?"gantt_last_cell":"",this.templates.grid_header_class(o.name,o)].join(" "),_="width:"+(o.width-(r?1:0))+"px;",h=o.label||i["column_"+o.name];h=h||"";var c="<div class='"+l+"' style='"+_+"' column_id='"+o.name+"'>"+h+d+"</div>";e.push(c)}this.$grid_scale.style.height=this.config.scale_height-1+"px",this.$grid_scale.style.lineHeight=a+"px",this.$grid_scale.style.width=n-1+"px",this.$grid_scale.innerHTML=e.join("")
+var s={text:gantt.locale.labels.new_task,start_date:this.templates.xml_format(i),duration:1,progress:0,parent:e};s.id=dhtmlx.uid(),this.callEvent("onTaskCreated",[s]),this.config.details_on_create?(s.$new=!0,this._pull[s.id]=this._init_task(s),this._add_branch(s),s.$level=this._item_level(s),this.selectTask(s.id),this.refreshData(),this.showLightbox(s.id)):(this.addTask(s),this.showTask(s.id),this.selectTask(s.id))}},this)},gantt._render_grid=function(){this._is_grid_visible()&&(this._calc_grid_width(),this._render_grid_header())
+},gantt._calc_grid_width=function(){if(this.config.autofit){for(var t=this.config.columns,e=0,n=[],i=[],a=0;a<t.length;a++){var s=parseInt(t[a].width,10);window.isNaN(s)&&(s=50,n.push(a)),i[a]=s,e+=s}{var r=this._get_grid_width()-e;r/(n.length>0?n.length:i.length>0?i.length:1)}if(n.length>0)for(var o=r/(n.length?n.length:1),a=0;a<n.length;a++){var d=n[a];i[d]+=o}else for(var o=r/(i.length?i.length:1),a=0;a<i.length;a++)i[a]+=o;for(var a=0;a<i.length;a++)t[a].width=i[a]}},gantt._render_grid_header=function(){for(var t=this.config.columns,e=[],n=0,i=this.locale.labels,a=this.config.scale_height-2,s=0;s<t.length;s++){var r=s==t.length-1,o=t[s];
+r&&this._get_grid_width()>n+o.width&&(o.width=this._get_grid_width()-n),n+=o.width;var d=this._sort&&o.name==this._sort.name?"<div class='gantt_sort gantt_"+this._sort.direction+"'></div>":"",l=["gantt_grid_head_cell","gantt_grid_head_"+o.name,r?"gantt_last_cell":"",this.templates.grid_header_class(o.name,o)].join(" "),_="width:"+(o.width-(r?1:0))+"px;",h=o.label||i["column_"+o.name];h=h||"";var c="<div class='"+l+"' style='"+_+"' column_id='"+o.name+"'>"+h+d+"</div>";e.push(c)}this.$grid_scale.style.height=this.config.scale_height-1+"px",this.$grid_scale.style.lineHeight=a+"px",this.$grid_scale.style.width=n-1+"px",this.$grid_scale.innerHTML=e.join("")
 },gantt._render_grid_item=function(t){if(!gantt._is_grid_visible())return null;for(var e=this.config.columns,n=[],i=0;i<e.length;i++){var a,s,r=i==e.length-1,o=e[i];"add"==o.name&&i==e.length-1?s="<div class='gantt_add'></div>":(s=o.template?o.template(t):t[o.name],s instanceof Date&&(s=this.templates.date_grid(s)),s="<div class='gantt_tree_content'>"+s+"</div>");var d="gantt_cell"+(r?" gantt_last_cell":""),l="";if(o.tree){for(var _=0;_<t.$level;_++)l+=this.templates.grid_indent(t);var h=this._branches[t.id]&&this._branches[t.id].length>0;
 h?(l+=this.templates.grid_open(t),l+=this.templates.grid_folder(t)):(l+=this.templates.grid_blank(t),l+=this.templates.grid_file(t))}var c="width:"+(o.width-(r?1:0))+"px;";dhtmlx.defined(o.align)&&(c+="text-align:"+o.align+";"),a="<div class='"+d+"' style='"+c+"'>"+l+s+"</div>",n.push(a)}var d=t.$index%2===0?"":" odd";if(d+=t.$transparent?" gantt_transparent":"",this.templates.grid_row_class){var g=this.templates.grid_row_class.call(this,t.start_date,t.end_date,t);g&&(d+=" "+g)}this.getState().selected_task==t.id&&(d+=" gantt_selected");
 var u=document.createElement("div");return u.className="gantt_row"+d,u.style.height=this.config.row_height+"px",u.style.lineHeight=gantt.config.row_height+"px",u.setAttribute(this.config.task_attribute,t.id),u.innerHTML=n.join(""),u},gantt.open=function(t){gantt._set_item_state(t,!0),this.callEvent("onTaskOpened",[t])},gantt.close=function(t){gantt._set_item_state(t,!1),this.callEvent("onTaskClosed",[t])},gantt._set_item_state=function(t,e){t&&this._pull[t]&&(this._pull[t].$open=e,this.refreshData())
@@ -138,13 +138,14 @@ null!==e&&delete this.dates[e]}else this.hours=[]},is_working_unit:function(t,e,
 }return!1},get_working_hours:function(t){var e=this._timestamp({date:t}),n=!0;return void 0!==this.dates[e]?n=this.dates[e]:void 0!==this.dates[t.getDay()]&&(n=this.dates[t.getDay()]),n===!0?this.hours:n?n:[]},get_work_units_between:function(t,e,n,i){if(!n)return!1;for(var a=new Date(t),s=new Date(e),i=i||1,r=0;a.valueOf()<s.valueOf();)this.is_working_unit(a,n)&&r++,a=gantt.date.add(a,i,n);return r},add_worktime:function(t,e,n,i){if(!n)return!1;for(var a=new Date(t),s=0,i=i||1,e=1*e;e>s;){var r=gantt.date.add(a,i,n);
 this.is_working_unit(i>0?a:r,n)&&s++,a=r}return a},get_closest_worktime:function(t){if(this.is_working_unit(t.date,t.unit))return t.date;var e=t.unit,n=gantt.date[e+"_start"](t.date),i=new Date(n),a=new Date(n),s=!0,r=3e3,o=0,d="any"==t.dir||!t.dir,l=1;for("past"==t.dir&&(l=-1);!this.is_working_unit(n,e);)if(d&&(n=s?i:a,l=-1*l),n=gantt.date.add(n,l,e),d&&(s?i=n:a=n),s=!s,o++,o>r)return dhtmlx.assert(!1,"Invalid working time check"),!1;return(n==a||"past"==t.dir)&&(n=gantt.date.add(n,1,e)),n}},gantt.getTask=function(t){return dhtmlx.assert(this._pull[t]),this._pull[t]
 },gantt.getTaskByTime=function(t,e){var n=this._pull,i=[];if(t||e){t=+t||-1/0,e=+e||1/0;for(var a in n){var s=n[a];+s.start_date<e&&+s.end_date>t&&i.push(s)}}else for(var a in n)i.push(n[a]);return i},gantt.isTaskExists=function(t){return dhtmlx.defined(this._pull[t])},gantt.isTaskVisible=function(t){if(!this._pull[t])return!1;if(!(+this._pull[t].start_date<+this._max_date&&+this._pull[t].end_date>+this._min_date))return!1;for(var e=0,n=this._order.length;n>e;e++)if(this._order[e]==t)return!0;return!1
-},gantt.updateTask=function(t,e){return dhtmlx.defined(e)||(e=this.getTask(t)),this.callEvent("onBeforeTaskUpdate",[t,e])===!1?!1:(this._pull[e.id]=e,this._is_parent_sync(e)||this._resync_parent(e),this._update_parents(e.id),this.refreshTask(e.id),this.callEvent("onAfterTaskUpdate",[t,e]),this._sync_order(),void this._adjust_scales())},gantt._add_branch=function(t){this._branches[t.parent]||(this._branches[t.parent]=[]),this._branches[t.parent].push(t.id),this._sync_parent(t),this._sync_order()},gantt._move_branch=function(t,e,n){t.parent=n,this._sync_parent(t),this._replace_branch_child(e,t.id),n?this._add_branch(t):delete this._branches[t.id],t.$level=this._item_level(t),this._sync_order()
-},gantt._resync_parent=function(t){this._move_branch(t,t.$rendered_parent,t.parent)},gantt._sync_parent=function(t){t.$rendered_parent=t.parent},gantt._is_parent_sync=function(t){return t.$rendered_parent==t.parent},gantt._replace_branch_child=function(t,e,n){var i=this._branches[t];if(i){for(var a=[],s=0;s<i.length;s++)i[s]!=e?a.push(i[s]):n&&a.push(n);this._branches[t]=a}this._sync_order()},gantt.addTask=function(t,e){return dhtmlx.defined(e)||(e=t.parent||0),dhtmlx.defined(this._pull[e])||(e=0),t.parent=e,t=this._init_task(t),this.callEvent("onBeforeTaskAdd",[t.id,t])===!1?!1:(this._pull[t.id]=t,this._add_branch(t),this.refreshData(),this.callEvent("onAfterTaskAdd",[t.id,t]),this._adjust_scales(),t.id)
-},gantt.deleteTask=function(t){return this._deleteTask(t)},gantt._deleteTask=function(t,e){var n=this.getTask(t);if(!e&&this.callEvent("onBeforeTaskDelete",[t,n])===!1)return!1;!e&&this._dp&&this._dp.setUpdateMode("off");var i=this._branches[n.id]||[];this._selected_task==t&&(this._selected_task=null);for(var a=0;a<i.length;a++)this._silentStart(),this._deleteTask(i[a],!0),this._dp&&(this._dp._ganttMode="tasks",this._dp.setUpdated(i[a],!0,"deleted")),this._silentEnd();for(!e&&this._dp&&this._dp.setUpdateMode("cell");n.$source.length>0;)this.deleteLink(n.$source[0]);
-for(;n.$target.length>0;)this.deleteLink(n.$target[0]);return delete this._pull[t],this._move_branch(n,n.parent,null),e||(this.callEvent("onAfterTaskDelete",[t,n]),this.refreshData()),!0},gantt.clearAll=function(){this._pull={},this._branches={},this._order=[],this._order_full=[],this._lpull={},this.refreshData(),this.callEvent("onClear",[])},gantt.changeTaskId=function(t,e){var n=this._pull[e]=this._pull[t];this._pull[e].id=e,delete this._pull[t];for(var i in this._pull)this._pull[i].parent==t&&(this._pull[i].parent=e);
-this._lightbox_id==t&&(this._lightbox_id=e),this._replace_branch_child(n.parent,t,e),this.callEvent("onTaskIdChange",[t,e])},gantt._get_duration_unit=function(){return 1e3*gantt._get_line(this.config.duration_unit)||this.config.duration_unit},gantt._get_safe_type=function(t){for(var e in this.config.types)if(this.config.types[e]==t)return t;return gantt.config.types.task},gantt._get_type_name=function(t){for(var e in this.config.types)if(this.config.types[e]==t)return e;return"task"},gantt.getWorkHours=function(t){return this._working_time_helper.get_working_hours(t)
+},gantt.updateTask=function(t,e){return dhtmlx.defined(e)||(e=this.getTask(t)),this.callEvent("onBeforeTaskUpdate",[t,e])===!1?!1:(this._pull[e.id]=e,this._is_parent_sync(e)||this._resync_parent(e),this._update_parents(e.id),this.refreshTask(e.id),this.callEvent("onAfterTaskUpdate",[t,e]),this._sync_order(),void this._adjust_scales())},gantt._add_branch=function(t){this._branches[t.parent]||(this._branches[t.parent]=[]);for(var e=this._branches[t.parent],n=!1,i=0,a=e.length;a>i;i++)if(e[i]==t.id){n=!0;
+break}n||e.push(t.id),this._sync_parent(t),this._sync_order()},gantt._move_branch=function(t,e,n){t.parent=n,this._sync_parent(t),this._replace_branch_child(e,t.id),n?this._add_branch(t):delete this._branches[t.id],t.$level=this._item_level(t),this._sync_order()},gantt._resync_parent=function(t){this._move_branch(t,t.$rendered_parent,t.parent)},gantt._sync_parent=function(t){t.$rendered_parent=t.parent},gantt._is_parent_sync=function(t){return t.$rendered_parent==t.parent},gantt._replace_branch_child=function(t,e,n){var i=this._branches[t];
+if(i){for(var a=[],s=0;s<i.length;s++)i[s]!=e?a.push(i[s]):n&&a.push(n);this._branches[t]=a}this._sync_order()},gantt.addTask=function(t,e){return dhtmlx.defined(e)||(e=t.parent||0),dhtmlx.defined(this._pull[e])||(e=0),t.parent=e,t=this._init_task(t),this.callEvent("onBeforeTaskAdd",[t.id,t])===!1?!1:(this._pull[t.id]=t,this._add_branch(t),this.refreshData(),this.callEvent("onAfterTaskAdd",[t.id,t]),this._adjust_scales(),t.id)},gantt.deleteTask=function(t){return this._deleteTask(t)},gantt._deleteTask=function(t,e){var n=this.getTask(t);
+if(!e&&this.callEvent("onBeforeTaskDelete",[t,n])===!1)return!1;!e&&this._dp&&this._dp.setUpdateMode("off");var i=this._branches[n.id]||[];this._update_flags(t,!1);for(var a=0;a<i.length;a++)this._silentStart(),this._deleteTask(i[a],!0),this._dp&&(this._dp._ganttMode="tasks",this._dp.setUpdated(i[a],!0,"deleted")),this._silentEnd();for(!e&&this._dp&&this._dp.setUpdateMode("cell");n.$source.length>0;)this.deleteLink(n.$source[0]);for(;n.$target.length>0;)this.deleteLink(n.$target[0]);return delete this._pull[t],this._move_branch(n,n.parent,null),e||(this.callEvent("onAfterTaskDelete",[t,n]),this.refreshData()),!0
+},gantt.clearAll=function(){this._pull={},this._branches={},this._order=[],this._order_full=[],this._lpull={},this.refreshData(),this.callEvent("onClear",[])},gantt._update_flags=function(t,e){this._lightbox_id==t&&(this._lightbox_id=e),this._selected_task==t&&(this._selected_task=e),this._tasks_dnd.drag&&this._tasks_dnd.drag.id==t&&(this._tasks_dnd.drag.id=e)},gantt.changeTaskId=function(t,e){var n=this._pull[e]=this._pull[t];this._pull[e].id=e,delete this._pull[t];for(var i in this._pull)this._pull[i].parent==t&&(this._pull[i].parent=e);
+this._update_flags(t,e),this._replace_branch_child(n.parent,t,e),this.callEvent("onTaskIdChange",[t,e])},gantt._get_duration_unit=function(){return 1e3*gantt._get_line(this.config.duration_unit)||this.config.duration_unit},gantt._get_safe_type=function(t){for(var e in this.config.types)if(this.config.types[e]==t)return t;return gantt.config.types.task},gantt._get_type_name=function(t){for(var e in this.config.types)if(this.config.types[e]==t)return e;return"task"},gantt.getWorkHours=function(t){return this._working_time_helper.get_working_hours(t)
 },gantt.setWorkTime=function(t){this._working_time_helper.set_time(t)},gantt.isWorkTime=function(t,e){var n=this._working_time_helper;return n.is_working_unit(t,e||this.config.duration_unit)},gantt.getClosestWorkTime=function(t){var e=this._working_time_helper;return t instanceof Date&&(t={date:t}),t.dir=t.dir||"any",t.unit=t.unit||this.config.duration_unit,e.get_closest_worktime(t)},gantt.calculateDuration=function(t,e){var n=this._working_time_helper;return n.get_work_units_between(t,e,this.config.duration_unit,this.config.duration_step)
-},gantt.calculateEndDate=function(t,e){var n=this._working_time_helper,i=e>=0?1:-1;return n.add_worktime(t,Math.abs(e),this.config.duration_unit,i*this.config.duration_step)},gantt._init_task=function(t){return(!dhtmlx.defined(t.id)||this._pull[t.id])&&(t.id=dhtmlx.uid()),t.start_date&&(t.start_date=gantt.date.parseDate(t.start_date,"xml_date")),t.end_date&&(t.end_date=gantt.date.parseDate(t.end_date,"xml_date")),t.start_date&&!t.end_date&&t.duration&&(t.end_date=this.calculateEndDate(t.start_date,t.duration)),gantt.config.work_time&&gantt.config.correct_work_time&&(t.start_date&&(t.start_date=gantt.getClosestWorkTime(t.start_date)),t.end_date&&(t.end_date=gantt.getClosestWorkTime(t.end_date))),gantt._init_task_timing(t),t.$source=[],t.$target=[],t.parent=t.parent||this.config.root_id,t.$open=dhtmlx.defined(t.open)?t.open:!1,t.$level=this._item_level(t),t
+},gantt.calculateEndDate=function(t,e){var n=this._working_time_helper,i=e>=0?1:-1;return n.add_worktime(t,Math.abs(e),this.config.duration_unit,i*this.config.duration_step)},gantt._init_task=function(t){return dhtmlx.defined(t.id)||(t.id=dhtmlx.uid()),t.start_date&&(t.start_date=gantt.date.parseDate(t.start_date,"xml_date")),t.end_date&&(t.end_date=gantt.date.parseDate(t.end_date,"xml_date")),t.start_date&&!t.end_date&&t.duration&&(t.end_date=this.calculateEndDate(t.start_date,t.duration)),gantt.config.work_time&&gantt.config.correct_work_time&&(t.start_date&&(t.start_date=gantt.getClosestWorkTime(t.start_date)),t.end_date&&(t.end_date=gantt.getClosestWorkTime(t.end_date))),gantt._init_task_timing(t),t.$source=[],t.$target=[],t.parent=t.parent||this.config.root_id,t.$open=dhtmlx.defined(t.open)?t.open:!1,t.$level=this._item_level(t),t
 },gantt._init_task_timing=function(t){void 0===t.$rendered_type?t.$rendered_type=t.type:t.$rendered_type!=t.type&&(delete t.$no_end,delete t.$no_start,t.$rendered_type=t.type),void 0!==t.$no_end&&void 0!==t.$no_start||t.type==this.config.types.milestone||(t.type==this.config.types.project?t.$no_end=t.$no_start=!0:(t.$no_end=!(t.end_date||t.duration),t.$no_start=!t.start_date)),t.type==this.config.types.milestone&&(t.end_date=t.start_date),t.start_date&&t.end_date&&(t.duration=this.calculateDuration(t.start_date,t.end_date)),t.duration=t.duration||0
 },gantt._is_flex_task=function(t){return!(!t.$no_end&&!t.$no_start)},gantt._update_parents=function(t,e){if(t){for(var n=this.getTask(t);!n.$no_end&&!n.$no_start&&n.parent&&this.isTaskExists(n.parent);)n=this.getTask(n.parent);if(n.$no_end){var i=0;this.eachTask(function(t){t.end_date&&+t.end_date>+i&&(i=new Date(t.end_date))},n.id),i&&(n.end_date=i)}if(n.$no_start){var a=1/0;this.eachTask(function(t){t.start_date&&+t.start_date<+a&&(a=new Date(t.start_date))},n.id),1/0!=a&&(n.start_date=a)}(n.$no_end||n.$no_start)&&(this._init_task_timing(n),e||this.refreshTask(n.id,!0)),n.parent&&this.isTaskExists(n.parent)&&this._update_parents(n.parent,e)
 }},gantt.isChildOf=function(t,e){if(!this.isTaskExists(t))return!1;if(e===this.config.root_id)return this.isTaskExists(t);for(var n=this.getTask(t);n&&this.isTaskExists(n.parent);)if(n=this.getTask(n.parent),n&&n.id==e)return!0;return!1},gantt._get_closest_date=function(t){for(var e=t.date,n=t.step,i=t.unit,a=gantt.date[i+"_start"](new Date(this._min_date));+e>+a;)a=gantt.date.add(a,n,i);var s=gantt.date.add(a,-1*n,i);return t.dir&&"future"==t.dir?a:t.dir&&"past"==t.dir?s:Math.abs(e-s)<Math.abs(a-e)?s:a
@@ -167,16 +168,16 @@ if(t){var e=t.childNodes[1];e.style.height="0px",e.style.height=e.scrollHeight+"
 }},gantt.showCover=function(){if(!this._cover){this._cover=document.createElement("DIV"),this._cover.className="dhx_cal_cover";var t=void 0!==document.height?document.height:document.body.offsetHeight,e=document.documentElement?document.documentElement.scrollHeight:0;this._cover.style.height=Math.max(t,e)+"px",document.body.appendChild(this._cover)}},gantt._init_lightbox_events=function(){gantt.lightbox_events={},gantt.lightbox_events.dhx_save_btn=function(){gantt._save_lightbox()},gantt.lightbox_events.dhx_delete_btn=function(){gantt.callEvent("onLightboxDelete",[gantt._lightbox_id])&&gantt.$click.buttons["delete"](gantt._lightbox_id)
 },gantt.lightbox_events.dhx_cancel_btn=function(){gantt._cancel_lightbox()},gantt.lightbox_events["default"]=function(t,e){if(e.getAttribute("dhx_button"))gantt.callEvent("onLightboxButton",[e.className,e,t]);else{var n,i,a;-1!=e.className.indexOf("dhx_custom_button")&&(-1!=e.className.indexOf("dhx_custom_button_")?(n=e.parentNode.getAttribute("index"),a=e.parentNode.parentNode):(n=e.getAttribute("index"),a=e.parentNode,e=e.firstChild));var s=gantt._get_typed_lightbox_config();n&&(i=gantt.form_blocks[s[n].type],i.button_click(n,e,a,a.nextSibling))
 }},dhtmlxEvent(gantt.getLightbox(),"click",function(t){t=t||window.event;var e=t.target?t.target:t.srcElement;if(e.className||(e=e.previousSibling),e&&e.className&&0===e.className.indexOf("dhx_btn_set")&&(e=e.firstChild),e&&e.className){var n=dhtmlx.defined(gantt.lightbox_events[e.className])?gantt.lightbox_events[e.className]:gantt.lightbox_events["default"];return n(t,e)}return!1}),gantt.getLightbox().onkeydown=function(t){switch((t||event).keyCode){case gantt.keys.edit_save:if((t||event).shiftKey)return;
-gantt._save_lightbox();break;case gantt.keys.edit_cancel:gantt._cancel_lightbox()}}},gantt._cancel_lightbox=function(){this.callEvent("onLightboxCancel",[this._lightbox_id,this.$new]),this.hideLightbox()},gantt._save_lightbox=function(){var t=this.getLightboxValues();this.callEvent("onLightboxSave",[this._lightbox_id,t,!!t.$new])&&(t.$new?this.addTask(t):(dhtmlx.mixin(this.getTask(t.id),t,!0),this.updateTask(t.id)),this.refreshData(),this.hideLightbox())},gantt.getLightboxValues=function(){for(var t=dhtmlx.mixin({},this.getTask(this._lightbox_id)),e=this._get_typed_lightbox_config(),n=0;n<e.length;n++){var i=document.getElementById(e[n].id);
-i=i?i.nextSibling:i;var a=this.form_blocks[e[n].type],s=a.get_value.call(this,i,t,e[n]);"auto"!=e[n].map_to&&(t[e[n].map_to]=s)}return t},gantt.hideLightbox=function(){var t=this.getLightbox();t&&(t.style.display="none"),this._lightbox_id=null,this.hideCover(),this.callEvent("onAfterLightbox",[])},gantt.hideCover=function(){this._cover&&this._cover.parentNode.removeChild(this._cover),this._cover=null},gantt.resetLightbox=function(){gantt._lightbox&&!gantt._custom_lightbox&&gantt._lightbox.parentNode.removeChild(gantt._lightbox),gantt._lightbox=null
-},gantt._set_lightbox_values=function(t,e){var n=t,i=e.getElementsByTagName("span");gantt.templates.lightbox_header?(i[1].innerHTML="",i[2].innerHTML=gantt.templates.lightbox_header(n.start_date,n.end_date,n)):(i[1].innerHTML=this.templates.task_time(n.start_date,n.end_date,n),i[2].innerHTML=(this.templates.task_text(n.start_date,n.end_date,n)||"").substr(0,70));for(var a=this._get_typed_lightbox_config(this.getLightboxType()),s=0;s<a.length;s++){var r=a[s];if(this.form_blocks[r.type]){var o=document.getElementById(r.id).nextSibling,d=this.form_blocks[r.type],l=dhtmlx.defined(n[r.map_to])?n[r.map_to]:r.default_value;
-d.set_value.call(this,o,l,n,r),r.focus&&d.focus.call(this,o)}}t.id&&(gantt._lightbox_id=t.id)},gantt._fill_lightbox=function(t,e){var n=this.getTask(t);this._set_lightbox_values(n,e)},gantt.getLightboxSection=function(t){var e=this._get_typed_lightbox_config(),n=0;for(n;n<e.length&&e[n].name!=t;n++);var i=e[n];this._lightbox||this.getLightbox();var a=document.getElementById(i.id),s=a.nextSibling,r={section:i,header:a,node:s,getValue:function(t){return this.form_blocks[i.type].get_value(s,t||{},i)
-},setValue:function(t,e){return this.form_blocks[i.type].set_value(s,t,e||{},i)}},o=this._lightbox_methods["get_"+i.type+"_control"];return o?o(r):r},gantt._lightbox_methods.get_template_control=function(t){return t.control=t.node,t},gantt._lightbox_methods.get_select_control=function(t){return t.control=t.node.getElementsByTagName("select")[0],t},gantt._lightbox_methods.get_textarea_control=function(t){return t.control=t.node.getElementsByTagName("textarea")[0],t},gantt._lightbox_methods.get_time_control=function(t){return t.control=t.node.getElementsByTagName("select"),t
-},gantt._init_dnd_events=function(){dhtmlxEvent(document.body,"mousemove",gantt._move_while_dnd),dhtmlxEvent(document.body,"mouseup",gantt._finish_dnd),gantt._init_dnd_events=function(){}},gantt._move_while_dnd=function(t){if(gantt._dnd_start_lb){document.dhx_unselectable||(document.body.className+=" dhx_unselectable",document.dhx_unselectable=!0);var e=gantt.getLightbox(),n=t&&t.target?[t.pageX,t.pageY]:[event.clientX,event.clientY];e.style.top=gantt._lb_start[1]+n[1]-gantt._dnd_start_lb[1]+"px",e.style.left=gantt._lb_start[0]+n[0]-gantt._dnd_start_lb[0]+"px"
-}},gantt._ready_to_dnd=function(t){var e=gantt.getLightbox();gantt._lb_start=[parseInt(e.style.left,10),parseInt(e.style.top,10)],gantt._dnd_start_lb=t&&t.target?[t.pageX,t.pageY]:[event.clientX,event.clientY]},gantt._finish_dnd=function(){gantt._lb_start&&(gantt._lb_start=gantt._dnd_start_lb=!1,document.body.className=document.body.className.replace(" dhx_unselectable",""),document.dhx_unselectable=!1)},gantt._focus=function(t,e){t&&t.focus&&(gantt.config.touch||(e&&t.select&&t.select(),t.focus()))
-},gantt.form_blocks={getTimePicker:function(t,e){var n=t.time_format;if(!n){var n=["%d","%m","%Y"];gantt._get_line(gantt._tasks.unit)<gantt._get_line("day")&&n.push("%H:%i")}t._time_format_order={size:0};var i=this.config,a=this.date.date_part(new Date(gantt._min_date.valueOf())),s=1440,r=0;gantt.config.limit_time_select&&(s=60*i.last_hour+1,r=60*i.first_hour,a.setHours(i.first_hour));for(var o="",d=0;d<n.length;d++){var l=n[d];d>0&&(o+=" ");var _="";switch(l){case"%Y":t._time_format_order[2]=d,t._time_format_order.size++;
-for(var h=a.getFullYear()-5,c=0;10>c;c++)_+="<option value='"+(h+c)+"'>"+(h+c)+"</option>";break;case"%m":t._time_format_order[1]=d,t._time_format_order.size++;for(var c=0;12>c;c++)_+="<option value='"+c+"'>"+this.locale.date.month_full[c]+"</option>";break;case"%d":t._time_format_order[0]=d,t._time_format_order.size++;for(var c=1;32>c;c++)_+="<option value='"+c+"'>"+c+"</option>";break;case"%H:%i":var s=1440,r=0;t._time_format_order[3]=d,t._time_format_order.size++;var c=r,g=a.getDate();for(t._time_values=[];s>c;){var u=this.templates.time_picker(a);
-_+="<option value='"+c+"'>"+u+"</option>",t._time_values.push(c),a.setTime(a.valueOf()+60*this._get_timepicker_step()*1e3);var f=a.getDate()!=g?1:0;c=24*f*60+60*a.getHours()+a.getMinutes()}}if(_){var p=t.readonly?"disabled='disabled'":"",m=e?" style='display:none'":"";o+="<select "+p+m+">"+_+"</select>"}}return o},_fill_lightbox_select:function(t,e,n,i){if(t[e+i[0]].value=n.getDate(),t[e+i[1]].value=n.getMonth(),t[e+i[2]].value=n.getFullYear(),dhtmlx.defined(i[3])){var a=60*n.getHours()+n.getMinutes();
+gantt._save_lightbox();break;case gantt.keys.edit_cancel:gantt._cancel_lightbox()}}},gantt._cancel_lightbox=function(){var t=this.getLightboxValues();this.callEvent("onLightboxCancel",[this._lightbox_id,t.$new]),t.$new&&(this._deleteTask(t.id,!0),this.refreshData()),this.hideLightbox()},gantt._save_lightbox=function(){var t=this.getLightboxValues();this.callEvent("onLightboxSave",[this._lightbox_id,t,!!t.$new])&&(t.$new?(delete t.$new,this.addTask(t)):(dhtmlx.mixin(this.getTask(t.id),t,!0),this.updateTask(t.id)),this.refreshData(),this.hideLightbox())
+},gantt.getLightboxValues=function(){for(var t=dhtmlx.mixin({},this.getTask(this._lightbox_id)),e=this._get_typed_lightbox_config(),n=0;n<e.length;n++){var i=document.getElementById(e[n].id);i=i?i.nextSibling:i;var a=this.form_blocks[e[n].type],s=a.get_value.call(this,i,t,e[n]);"auto"!=e[n].map_to&&(t[e[n].map_to]=s)}return t},gantt.hideLightbox=function(){var t=this.getLightbox();t&&(t.style.display="none"),this._lightbox_id=null,this.hideCover(),this.callEvent("onAfterLightbox",[])},gantt.hideCover=function(){this._cover&&this._cover.parentNode.removeChild(this._cover),this._cover=null
+},gantt.resetLightbox=function(){gantt._lightbox&&!gantt._custom_lightbox&&gantt._lightbox.parentNode.removeChild(gantt._lightbox),gantt._lightbox=null},gantt._set_lightbox_values=function(t,e){var n=t,i=e.getElementsByTagName("span");gantt.templates.lightbox_header?(i[1].innerHTML="",i[2].innerHTML=gantt.templates.lightbox_header(n.start_date,n.end_date,n)):(i[1].innerHTML=this.templates.task_time(n.start_date,n.end_date,n),i[2].innerHTML=(this.templates.task_text(n.start_date,n.end_date,n)||"").substr(0,70));
+for(var a=this._get_typed_lightbox_config(this.getLightboxType()),s=0;s<a.length;s++){var r=a[s];if(this.form_blocks[r.type]){var o=document.getElementById(r.id).nextSibling,d=this.form_blocks[r.type],l=dhtmlx.defined(n[r.map_to])?n[r.map_to]:r.default_value;d.set_value.call(this,o,l,n,r),r.focus&&d.focus.call(this,o)}}t.id&&(gantt._lightbox_id=t.id)},gantt._fill_lightbox=function(t,e){var n=this.getTask(t);this._set_lightbox_values(n,e)},gantt.getLightboxSection=function(t){var e=this._get_typed_lightbox_config(),n=0;
+for(n;n<e.length&&e[n].name!=t;n++);var i=e[n];this._lightbox||this.getLightbox();var a=document.getElementById(i.id),s=a.nextSibling,r={section:i,header:a,node:s,getValue:function(t){return this.form_blocks[i.type].get_value(s,t||{},i)},setValue:function(t,e){return this.form_blocks[i.type].set_value(s,t,e||{},i)}},o=this._lightbox_methods["get_"+i.type+"_control"];return o?o(r):r},gantt._lightbox_methods.get_template_control=function(t){return t.control=t.node,t},gantt._lightbox_methods.get_select_control=function(t){return t.control=t.node.getElementsByTagName("select")[0],t
+},gantt._lightbox_methods.get_textarea_control=function(t){return t.control=t.node.getElementsByTagName("textarea")[0],t},gantt._lightbox_methods.get_time_control=function(t){return t.control=t.node.getElementsByTagName("select"),t},gantt._init_dnd_events=function(){dhtmlxEvent(document.body,"mousemove",gantt._move_while_dnd),dhtmlxEvent(document.body,"mouseup",gantt._finish_dnd),gantt._init_dnd_events=function(){}},gantt._move_while_dnd=function(t){if(gantt._dnd_start_lb){document.dhx_unselectable||(document.body.className+=" dhx_unselectable",document.dhx_unselectable=!0);
+var e=gantt.getLightbox(),n=t&&t.target?[t.pageX,t.pageY]:[event.clientX,event.clientY];e.style.top=gantt._lb_start[1]+n[1]-gantt._dnd_start_lb[1]+"px",e.style.left=gantt._lb_start[0]+n[0]-gantt._dnd_start_lb[0]+"px"}},gantt._ready_to_dnd=function(t){var e=gantt.getLightbox();gantt._lb_start=[parseInt(e.style.left,10),parseInt(e.style.top,10)],gantt._dnd_start_lb=t&&t.target?[t.pageX,t.pageY]:[event.clientX,event.clientY]},gantt._finish_dnd=function(){gantt._lb_start&&(gantt._lb_start=gantt._dnd_start_lb=!1,document.body.className=document.body.className.replace(" dhx_unselectable",""),document.dhx_unselectable=!1)
+},gantt._focus=function(t,e){t&&t.focus&&(gantt.config.touch||(e&&t.select&&t.select(),t.focus()))},gantt.form_blocks={getTimePicker:function(t,e){var n=t.time_format;if(!n){var n=["%d","%m","%Y"];gantt._get_line(gantt._tasks.unit)<gantt._get_line("day")&&n.push("%H:%i")}t._time_format_order={size:0};var i=this.config,a=this.date.date_part(new Date(gantt._min_date.valueOf())),s=1440,r=0;gantt.config.limit_time_select&&(s=60*i.last_hour+1,r=60*i.first_hour,a.setHours(i.first_hour));for(var o="",d=0;d<n.length;d++){var l=n[d];
+d>0&&(o+=" ");var _="";switch(l){case"%Y":t._time_format_order[2]=d,t._time_format_order.size++;for(var h=a.getFullYear()-5,c=0;10>c;c++)_+="<option value='"+(h+c)+"'>"+(h+c)+"</option>";break;case"%m":t._time_format_order[1]=d,t._time_format_order.size++;for(var c=0;12>c;c++)_+="<option value='"+c+"'>"+this.locale.date.month_full[c]+"</option>";break;case"%d":t._time_format_order[0]=d,t._time_format_order.size++;for(var c=1;32>c;c++)_+="<option value='"+c+"'>"+c+"</option>";break;case"%H:%i":var s=1440,r=0;
+t._time_format_order[3]=d,t._time_format_order.size++;var c=r,g=a.getDate();for(t._time_values=[];s>c;){var u=this.templates.time_picker(a);_+="<option value='"+c+"'>"+u+"</option>",t._time_values.push(c),a.setTime(a.valueOf()+60*this._get_timepicker_step()*1e3);var f=a.getDate()!=g?1:0;c=24*f*60+60*a.getHours()+a.getMinutes()}}if(_){var p=t.readonly?"disabled='disabled'":"",m=e?" style='display:none'":"";o+="<select "+p+m+">"+_+"</select>"}}return o},_fill_lightbox_select:function(t,e,n,i){if(t[e+i[0]].value=n.getDate(),t[e+i[1]].value=n.getMonth(),t[e+i[2]].value=n.getFullYear(),dhtmlx.defined(i[3])){var a=60*n.getHours()+n.getMinutes();
 a=Math.round(a/gantt._get_timepicker_step())*gantt._get_timepicker_step(),t[e+i[3]].value=a}},template:{render:function(t){var e=(t.height||"30")+"px";return"<div class='dhx_cal_ltext dhx_cal_template' style='height:"+e+";'></div>"},set_value:function(t,e){t.innerHTML=e||""},get_value:function(t){return t.innerHTML||""},focus:function(){}},textarea:{render:function(t){var e=(t.height||"130")+"px";return"<div class='dhx_cal_ltext' style='height:"+e+";'><textarea></textarea></div>"},set_value:function(t,e){t.firstChild.value=e||""
 },get_value:function(t){return t.firstChild.value},focus:function(t){var e=t.firstChild;gantt._focus(e,!0)}},select:{render:function(t){for(var e=(t.height||"23")+"px",n="<div class='dhx_cal_ltext' style='height:"+e+";'><select style='width:100%;'>",i=0;i<t.options.length;i++)n+="<option value='"+t.options[i].key+"'>"+t.options[i].label+"</option>";return n+="</select></div>"},set_value:function(t,e,n,i){var a=t.firstChild;!a._dhx_onchange&&i.onchange&&(a.onchange=i.onchange,a._dhx_onchange=!0),"undefined"==typeof e&&(e=(a.options[0]||{}).value),a.value=e||""
 },get_value:function(t){return t.firstChild.value},focus:function(t){var e=t.firstChild;gantt._focus(e,!0)}},time:{render:function(t){var e=this.form_blocks.getTimePicker.call(this,t),n=["<div style='height:30px;padding-top:0px;font-size:inherit;text-align:center;' class='dhx_section_time'>"];return n.push(e),t.single_date?(e=this.form_blocks.getTimePicker.call(this,t,!0),n.push("<span></span>")):n.push("<span style='font-weight:normal; font-size:10pt;'> &nbsp;&ndash;&nbsp; </span>"),n.push(e),n.push("</div>"),n.join("")
@@ -207,8 +208,8 @@ var n=[];for(var i in t)t.hasOwnProperty(i)&&n.push(this.escape((e||"")+i)+"="+t
 for(var i=0;i<n.length;i++){var a=n[i].getAttribute("status"),s=n[i].getAttribute("id"),r=n[i].getAttribute("parent");switch(a){case"inserted":t.callEvent("insertCallback",[n[i],s,r]);break;case"updated":t.callEvent("updateCallback",[n[i],s,r]);break;case"deleted":t.callEvent("deleteCallback",[n[i],s,r])}}t._silent_mode=!1}t._update_busy=!1,t=null})}},dhtmlx.assert=function(t,e){t||dhtmlx.message({type:"error",text:e,expire:-1})},gantt.init=function(t,e,n){e&&n&&(this.config.start_date=this._min_date=new Date(e),this.config.end_date=this._max_date=new Date(n)),this._init_skin(),this.config.scroll_size||(this.config.scroll_size=this._detectScrollSize()),this._reinit(t),this.attachEvent("onLoadEnd",this.render),dhtmlxEvent(window,"resize",this._on_resize),this.init=function(t){this.$container&&(this.$container.innerHTML=""),this._reinit(t)
 },this.callEvent("onGanttReady",[])},gantt._reinit=function(t){this._init_html_area(t),this._set_sizes(),this._task_area_pulls={},this._task_area_renderers={},this._init_touch_events(),this._init_templates(),this._init_grid(),this._init_tasks(),this.render(),this._set_scroll_events(),dhtmlxEvent(this.$container,"click",this._on_click),dhtmlxEvent(this.$container,"dblclick",this._on_dblclick),dhtmlxEvent(this.$container,"mousemove",this._on_mousemove),dhtmlxEvent(this.$container,"contextmenu",this._on_contextmenu)
 },gantt._init_html_area=function(t){this._obj="string"==typeof t?document.getElementById(t):t,dhtmlx.assert(this._obj,"Invalid html container: "+t);var e="<div class='gantt_container'><div class='gantt_grid'></div><div class='gantt_task'></div>";e+="<div class='gantt_ver_scroll'><div></div></div><div class='gantt_hor_scroll'><div></div></div></div>",this._obj.innerHTML=e,this.$container=this._obj.firstChild;var n=this.$container.childNodes;this.$grid=n[0],this.$task=n[1],this.$scroll_ver=n[2],this.$scroll_hor=n[3],this.$grid.innerHTML="<div class='gantt_grid_scale'></div><div class='gantt_grid_data'></div>",this.$grid_scale=this.$grid.childNodes[0],this.$grid_data=this.$grid.childNodes[1],this.$task.innerHTML="<div class='gantt_task_scale'></div><div class='gantt_data_area'><div class='gantt_task_bg'></div><div class='gantt_links_area'></div><div class='gantt_bars_area'></div></div>",this.$task_scale=this.$task.childNodes[0],this.$task_data=this.$task.childNodes[1],this.$task_bg=this.$task_data.childNodes[0],this.$task_links=this.$task_data.childNodes[1],this.$task_bars=this.$task_data.childNodes[2]
-},gantt.$click={buttons:{edit:function(t){gantt.showLightbox(t)},"delete":function(t){var e=gantt.locale.labels.confirm_deleting,n=gantt.locale.labels.confirm_deleting_title;gantt._dhtmlx_confirm(e,n,function(){gantt.deleteTask(t),gantt.hideLightbox()})}}},gantt._calculate_content_height=function(){var t=this.config.scale_height,e=this._order.length*this.config.row_height,n=this._scroll_hor?this.config.scroll_size+1:0;return this._is_grid_visible()||this._is_chart_visible()?t+e+2+n:0},gantt._calculate_content_width=function(){{var t=this._get_grid_width(),e=this._tasks?this._tasks.full_width:0;
-this._scroll_ver?this.config.scroll_size+1:0}return this._is_chart_visible()||(e=0),this._is_grid_visible()||(t=0),t+e+1},gantt._get_resize_options=function(){var t={x:!1,y:!1};return"xy"==this.config.autosize?t.x=t.y=!0:"y"==this.config.autosize||this.config.autosize===!0?t.y=!0:"x"==this.config.autosize&&(t.x=!0),t},gantt._set_sizes=function(){var t=this._get_resize_options();if(t.y&&(this._obj.style.height=this._calculate_content_height()+"px"),t.x&&(this._obj.style.width=this._calculate_content_width()+"px"),this._y=this._obj.clientHeight,!(this._y<20)){this.$grid.style.height=this.$task.style.height=Math.max(this._y-this.$scroll_hor.offsetHeight-2,0)+"px";
+},gantt.$click={buttons:{edit:function(t){gantt.showLightbox(t)},"delete":function(t){var e=gantt.locale.labels.confirm_deleting,n=gantt.locale.labels.confirm_deleting_title;gantt._dhtmlx_confirm(e,n,function(){var e=gantt.getTask(t);e.$new?(gantt._deleteTask(t,!0),gantt.refreshData()):gantt.deleteTask(t),gantt.hideLightbox()})}}},gantt._calculate_content_height=function(){var t=this.config.scale_height,e=this._order.length*this.config.row_height,n=this._scroll_hor?this.config.scroll_size+1:0;return this._is_grid_visible()||this._is_chart_visible()?t+e+2+n:0
+},gantt._calculate_content_width=function(){{var t=this._get_grid_width(),e=this._tasks?this._tasks.full_width:0;this._scroll_ver?this.config.scroll_size+1:0}return this._is_chart_visible()||(e=0),this._is_grid_visible()||(t=0),t+e+1},gantt._get_resize_options=function(){var t={x:!1,y:!1};return"xy"==this.config.autosize?t.x=t.y=!0:"y"==this.config.autosize||this.config.autosize===!0?t.y=!0:"x"==this.config.autosize&&(t.x=!0),t},gantt._set_sizes=function(){var t=this._get_resize_options();if(t.y&&(this._obj.style.height=this._calculate_content_height()+"px"),t.x&&(this._obj.style.width=this._calculate_content_width()+"px"),this._y=this._obj.clientHeight,!(this._y<20)){this.$grid.style.height=this.$task.style.height=Math.max(this._y-this.$scroll_hor.offsetHeight-2,0)+"px";
 var e=Math.max(this._y-(this.config.scale_height||0)-this.$scroll_hor.offsetHeight-2,0);this.$grid_data.style.height=this.$task_data.style.height=e+"px";var n=Math.max(this._get_grid_width()-1,0);this.$grid.style.width=n+"px",this.$grid.style.display=0===n?"none":"",this._x=this._obj.clientWidth,this._x<20||(this.$grid_data.style.width=Math.max(this._get_grid_width()-1,0)+"px",this.$task.style.width=Math.max(this._x-this._get_grid_width()-2,0)+"px")}},gantt.getScrollState=function(){return{x:this.$task.scrollLeft,y:this.$task_data.scrollTop}
 },gantt.scrollTo=function(t,e){1*t==t&&(this.$task.scrollLeft=t),1*e==e&&(this.$task_data.scrollTop=e,this.$grid_data.scrollTop=e)},gantt.showDate=function(t){var e=this.posFromDate(t),n=Math.max(e-this.config.task_scroll_offset,0);this.scrollTo(n)},gantt.showTask=function(t){var e=this.getTaskNode(t);if(e){var n=Math.max(e.offsetLeft-this.config.task_scroll_offset,0),i=e.offsetTop-(this.$task_data.offsetHeight-this.config.row_height)/2;this.scrollTo(n,i)}},gantt._on_resize=gantt.setSizes=function(){gantt._set_sizes(),gantt._scroll_resize()
 },gantt.render=function(){if(this._render_grid(),this._render_tasks_scales(),this._scroll_resize(),this._on_resize(),this._render_data(),this.config.initial_scroll){var t=this._order[0]||this.config.root_id;t&&this.showTask(t)}this.callEvent("onGanttRender",[])},gantt._set_scroll_events=function(){dhtmlxEvent(this.$scroll_hor,"scroll",function(){if(!gantt._touch_scroll_active){var t=gantt.$scroll_hor.scrollLeft;gantt.scrollTo(t)}}),dhtmlxEvent(this.$scroll_ver,"scroll",function(){if(!gantt._touch_scroll_active){var t=gantt.$scroll_ver.scrollTop;
@@ -221,7 +222,7 @@ if(a==t)return e[i]}return null},gantt.getState=function(){return{drag_id:this._
 if(t){if(this._selected_task==t)return this._selected_task;if(!this.callEvent("onBeforeTaskSelected",[t]))return!1;this.unselectTask(),this._selected_task=t,this.refreshTask(t),this.callEvent("onTaskSelected",[t])}return this._selected_task},gantt.unselectTask=function(){var t=this._selected_task;t&&(this._selected_task=null,this.refreshTask(t),this.callEvent("onTaskUnselected",[t]))},gantt.getSelectedId=function(){return dhtmlx.defined(this._selected_task)?this._selected_task:null},gantt.changeLightboxType=function(t){return this.getLightboxType()==t?!0:void gantt._silent_redraw_lightbox(t)
 },gantt.date={init:function(){for(var t=gantt.locale.date.month_short,e=gantt.locale.date.month_short_hash={},n=0;n<t.length;n++)e[t[n]]=n;for(var t=gantt.locale.date.month_full,e=gantt.locale.date.month_full_hash={},n=0;n<t.length;n++)e[t[n]]=n},date_part:function(t){return t.setHours(0),t.setMinutes(0),t.setSeconds(0),t.setMilliseconds(0),t.getHours()&&t.setTime(t.getTime()+36e5*(24-t.getHours())),t},time_part:function(t){return(t.valueOf()/1e3-60*t.getTimezoneOffset())%86400},week_start:function(t){var e=t.getDay();
 return gantt.config.start_on_monday&&(0===e?e=6:e--),this.date_part(this.add(t,-1*e,"day"))},month_start:function(t){return t.setDate(1),this.date_part(t)},year_start:function(t){return t.setMonth(0),this.month_start(t)},day_start:function(t){return this.date_part(t)},hour_start:function(t){var e=t.getHours();return this.day_start(t),t.setHours(e),t},minute_start:function(t){var e=t.getMinutes();return this.hour_start(t),t.setMinutes(e),t},_add_days:function(t,e){var n=new Date(t.valueOf());return n.setDate(n.getDate()+e),!t.getHours()&&n.getHours()&&n.setTime(n.getTime()+36e5*(24-n.getHours())),n
-},add:function(t,e,n){var i=new Date(t.valueOf());switch(n){case"day":i=gantt.date._add_days(i,e);break;case"week":i=gantt.date._add_days(i,7*e);break;case"month":i.setMonth(i.getMonth()+e);break;case"year":i.setYear(i.getFullYear()+e);break;case"hour":i.setHours(i.getHours()+e);break;case"minute":i.setMinutes(i.getMinutes()+e);break;default:return gantt.date["add_"+n](t,e,n)}return i},to_fixed:function(t){return 10>t?"0"+t:t},copy:function(t){return new Date(t.valueOf())},date_to_str:function(t,e){return t=t.replace(/%[a-zA-Z]/g,function(t){switch(t){case"%d":return'"+gantt.date.to_fixed(date.getDate())+"';
+},add:function(t,e,n){var i=new Date(t.valueOf());switch(n){case"day":i=gantt.date._add_days(i,e);break;case"week":i=gantt.date._add_days(i,7*e);break;case"month":i.setMonth(i.getMonth()+e);break;case"year":i.setYear(i.getFullYear()+e);break;case"hour":i.setTime(i.getTime()+60*e*60*1e3);break;case"minute":i.setTime(i.getTime()+60*e*1e3);break;default:return gantt.date["add_"+n](t,e,n)}return i},to_fixed:function(t){return 10>t?"0"+t:t},copy:function(t){return new Date(t.valueOf())},date_to_str:function(t,e){return t=t.replace(/%[a-zA-Z]/g,function(t){switch(t){case"%d":return'"+gantt.date.to_fixed(date.getDate())+"';
 case"%m":return'"+gantt.date.to_fixed((date.getMonth()+1))+"';case"%j":return'"+date.getDate()+"';case"%n":return'"+(date.getMonth()+1)+"';case"%y":return'"+gantt.date.to_fixed(date.getFullYear()%100)+"';case"%Y":return'"+date.getFullYear()+"';case"%D":return'"+gantt.locale.date.day_short[date.getDay()]+"';case"%l":return'"+gantt.locale.date.day_full[date.getDay()]+"';case"%M":return'"+gantt.locale.date.month_short[date.getMonth()]+"';case"%F":return'"+gantt.locale.date.month_full[date.getMonth()]+"';
 case"%h":return'"+gantt.date.to_fixed((date.getHours()+11)%12+1)+"';case"%g":return'"+((date.getHours()+11)%12+1)+"';case"%G":return'"+date.getHours()+"';case"%H":return'"+gantt.date.to_fixed(date.getHours())+"';case"%i":return'"+gantt.date.to_fixed(date.getMinutes())+"';case"%a":return'"+(date.getHours()>11?"pm":"am")+"';case"%A":return'"+(date.getHours()>11?"PM":"AM")+"';case"%s":return'"+gantt.date.to_fixed(date.getSeconds())+"';case"%W":return'"+gantt.date.to_fixed(gantt.date.getISOWeek(date))+"';
 default:return t}}),e&&(t=t.replace(/date\.get/g,"date.getUTC")),new Function("date",'return "'+t+'";')},str_to_date:function(t,e){for(var n="var temp=date.match(/[a-zA-Z]+|[0-9]+/g);",i=t.match(/%[a-zA-Z]/g),a=0;a<i.length;a++)switch(i[a]){case"%j":case"%d":n+="set[2]=temp["+a+"]||1;";break;case"%n":case"%m":n+="set[1]=(temp["+a+"]||1)-1;";break;case"%y":n+="set[0]=temp["+a+"]*1+(temp["+a+"]>50?1900:2000);";break;case"%g":case"%G":case"%h":case"%H":n+="set[3]=temp["+a+"]||0;";break;case"%i":n+="set[4]=temp["+a+"]||0;";
diff --git a/sources/dhtmlxgantt.js b/sources/dhtmlxgantt.js
index 981c6431..1846b192 100644
--- a/sources/dhtmlxgantt.js
+++ b/sources/dhtmlxgantt.js
@@ -1213,7 +1213,7 @@ if(!window.dhtmlx)
 	};
 })();
 gantt = {
-	version:"2.1.0"
+	version:"2.1.1"
 };
 
 /*jsl:ignore*/
@@ -1619,12 +1619,26 @@ gantt._init_grid = function() {
 			parent.$open = true;
 
         var item = { text:gantt.locale.labels.new_task, start_date:this.templates.xml_format(startDate), duration: 1, progress: 0, parent: id };
+		item.id = dhtmlx.uid();
         this.callEvent("onTaskCreated", [item]);
-        this.addTask(item);
-        this.showTask(item.id);
-		this.selectTask(item.id);
-        if (this.config.details_on_create)
-            this.showLightbox(item.id);
+
+        if (this.config.details_on_create){
+			item.$new = true;
+			this._pull[item.id] = this._init_task(item);
+
+			this._add_branch(item);
+			item.$level = this._item_level(item);
+			this.selectTask(item.id);
+			this.refreshData();
+			this.showLightbox(item.id);
+		}else{
+			this.addTask(item);
+
+			this.showTask(item.id);
+			this.selectTask(item.id);
+		}
+
+
     }, this);
 
 
@@ -4917,7 +4931,17 @@ gantt.updateTask = function(id, item) {
 gantt._add_branch = function(task){
 	if (!this._branches[task.parent])
 		this._branches[task.parent] = [];
-	this._branches[task.parent].push(task.id);
+	var branch = this._branches[task.parent];
+	var added_already = false;
+	for(var i = 0, length = branch.length; i < length; i++){
+		if(branch[i] == task.id){
+			added_already = true;
+			break;
+		}
+	}
+	if(!added_already)
+		branch.push(task.id);
+
 	this._sync_parent(task);
 	this._sync_order();
 };
@@ -4992,8 +5016,7 @@ gantt._deleteTask = function(id, silent) {
         this._dp.setUpdateMode("off");
     var branches = this._branches[item.id] || [];
 
-    if(this._selected_task == id)
-        this._selected_task = null;
+	this._update_flags(id, false);
 
     for (var i = 0; i < branches.length; i++) {
         this._silentStart();
@@ -5037,6 +5060,17 @@ gantt.clearAll = function() {
     this.callEvent("onClear", []);
 };
 
+gantt._update_flags = function(oldid, newid){
+	// TODO: need a proper way to update all possible flags
+	if (this._lightbox_id == oldid)
+		this._lightbox_id = newid;
+	if (this._selected_task == oldid){
+		this._selected_task = newid;
+	}
+	if (this._tasks_dnd.drag && this._tasks_dnd.drag.id == oldid){
+		this._tasks_dnd.drag.id = newid;
+	}
+};
 gantt.changeTaskId = function(oldid, newid) {
     var item = this._pull[newid] = this._pull[oldid];
     this._pull[newid].id = newid;
@@ -5045,8 +5079,7 @@ gantt.changeTaskId = function(oldid, newid) {
         if (this._pull[id].parent == oldid)
             this._pull[id].parent = newid;
     }
-    if (this._lightbox_id == oldid)
-        this._lightbox_id = newid;
+	this._update_flags(oldid, newid);
     this._replace_branch_child(item.parent, oldid, newid);
 
 	this.callEvent("onTaskIdChange", [oldid, newid]);
@@ -5108,7 +5141,7 @@ gantt.calculateEndDate = function(start, duration, unit){
 };
 
 gantt._init_task = function(task){
-    if (!dhtmlx.defined(task.id) || this._pull[task.id])
+    if (!dhtmlx.defined(task.id))
         task.id = dhtmlx.uid();
 
 	if(task.start_date)
@@ -5834,7 +5867,12 @@ gantt._init_lightbox_events = function(){
 
 
 gantt._cancel_lightbox=function(){
-    this.callEvent("onLightboxCancel",[this._lightbox_id, this.$new]);
+	var task = this.getLightboxValues();
+    this.callEvent("onLightboxCancel",[this._lightbox_id, task.$new]);
+	if(task.$new){
+		this._deleteTask(task.id, true);
+		this.refreshData();
+	}
     this.hideLightbox();
 };
 
@@ -5844,6 +5882,7 @@ gantt._save_lightbox=function(){
 		return;
 
     if (task.$new){
+		delete task.$new;
         this.addTask(task);
 	}else{
 		dhtmlx.mixin(this.getTask(task.id), task, true);
@@ -7211,7 +7250,14 @@ gantt.$click={
             var title = gantt.locale.labels.confirm_deleting_title;
 
             gantt._dhtmlx_confirm(question, title, function(){
-                gantt.deleteTask(id);
+				var task = gantt.getTask(id);
+				if(task.$new){
+					gantt._deleteTask(id, true);
+					gantt.refreshData();
+				}else{
+					gantt.deleteTask(id);
+				}
+
                 gantt.hideLightbox();
             });
         }
@@ -7655,8 +7701,24 @@ gantt.date={
 				break;
 			case "month": ndate.setMonth(ndate.getMonth()+inc); break;
 			case "year": ndate.setYear(ndate.getFullYear()+inc); break;
-			case "hour": ndate.setHours(ndate.getHours()+inc); break;
-			case "minute": ndate.setMinutes(ndate.getMinutes()+inc); break;
+			case "hour":
+				/*
+					adding hours/minutes via setHour(getHour() + inc) gives weird result when
+					adding one hour to the time before switch to a Daylight Saving time
+
+					example: //Sun Mar 30 2014 01:00:00 GMT+0100 (W. Europe Standard Time)
+					new Date(2014, 02, 30, 1).setHours(2)
+					>>Sun Mar 30 2014 01:00:00 GMT+0100 (W. Europe Standard Time)
+
+					setTime seems working as expected
+				 */
+				ndate.setTime(ndate.getTime()+inc * 60 * 60 * 1000);
+				break;
+			case "minute":
+
+				ndate.setTime(ndate.getTime() + inc * 60 * 1000);
+
+				break;
 			default:
 				return gantt.date["add_"+mode](date,inc,mode);
 		}