How to make the specified label of the tabbar show?

Discontinued products DHTMLX Touch
#1

Hi!
I want to show the specified label of the tabbar ,Can I use a method to show the label which’s id is “‘tab_Todolist’” ?

[code] var config={
container:“box”,
rows:[
{ view:“toolbar”, type:“MainBar”,id:“top”, css:“bar”,elements:[{view:“label”, label:“客户经理门户”,align:“left”},
{view:“label”, label:welStr, align:“left”}]
},

                          {
						    gravity:1,  // dimensional parameter
						    view:"multiview", 
						    id:"multiview",
						    cells:[
						           agg,order,oweFee,toDoList
								 
					   ],
					    animate:{type:"flip", subtype:"vertical"}
					   
							},
							
              { 
               view:"toolbar",
		       type:"BigTabBar",
               id:"TopToolbar",css:"bar2",
               elements:[
                        	{ view:"tabbar", id:'tabbar', selected: 'tab_aggregation', align:"left", inputWidth:320, options: [   
                        	     { label: '<font size="2">汇总信息</font>',src: rootPath+'/images/tabbar/agg.png', value: 'tab_aggregation'},
                        	   { label: '<font size="2">订单查询</font>', src: rootPath+'/images/tabbar/order2.png', value: 'tab_order'},
                        	    { label: '<font size="2">待办事宜</font>',  src: rootPath+'/images/tabbar/list.png', value: 'tab_Todolist'},
                        	    { label:'<font size="2">用户查询</font>',   src: rootPath+'/images/tabbar/owe.png',value: 'tab_ownFee'}
							   
                        	]}
                        
               ]}
                ]
		}[/code]

Any help would be appreciated!