jsGantt是一个基于Javascript/CSS/HTML实现的甘特图控件。可以对任务进行分组、设置任务依赖、不同任务用不同颜标识、设置里程碑。支持动态加载任务，按天、周、月、小时、分钟查看任务甘特图。

主页：http://www.jsgantt.com/

下载地址：http://download.csdn.net/detail/evangel_z/4441353

TaskItem(pID, pName, pStart, pEnd, pColor, pLink, pMile, pRes, pComp, pGroup, pParent, pOpen, pDepend)
pID: (required) is a unique ID used to identify each row for parent functions and for setting dom id for hiding/showing
pName: (required) is the task Label
pStart: (required) the task start date, can enter empty date ('') for groups. You can also enter specific time (2/10/2008 12:00) for additional percision or half days.
pEnd: (required) the task end date, can enter empty date ('') for groups
pColor: (required) the html color for this task; e.g. '00ff00'
pLink: (optional) any http link navigated to when task bar is clicked.
pMile:(optional) represent a milestone
pRes: (optional) resource name
pComp: (required) completion percent
pGroup: (optional) indicates whether this is a group(parent) - 0=NOT Parent; 1=IS Parent
pParent: (required) identifies a parent pID, this causes this task to be a child of identified task
pOpen: can be initially set to close folder when chart is first drawn
pDepend: optional list of id's this task is dependent on ... line drawn from dependent to this item
pCaption: optional caption that will be added after task bar if CaptionType set to "Caption"
*You should be able to add items to the chart in realtime via javascript and issuing "g.Draw()" command.

JSGantt.parseXML("project.xml",g);

<project>
<task>
	<pID>10</pID>
	<pName>WCF Changes</pName>
	<pStart></pStart>
	<pEnd></pEnd>
	<pColor>0000ff</pColor>
	<pLink></pLink>
	<pMile>0</pMile>
	<pRes></pRes>
	<pComp>0</pComp>
	<pGroup>1</pGroup>
	<pParent>0</pParent>
	<pOpen>1</pOpen>
	<pDepend />
</task>
<task>
	<pID>20</pID>
	<pName>Move to WCF from remoting</pName>
	<pStart>8/11/2008</pStart>
	<pEnd>8/15/2008</pEnd>
	<pColor>0000ff</pColor>
	<pLink></pLink>
	<pMile>0</pMile>
	<pRes>Rich</pRes>
	<pComp>10</pComp>
	<pGroup>0</pGroup>
	<pParent>10</pParent>
	<pOpen>1</pOpen>
	<pDepend></pDepend>
</task>
<task>
	<pID>30</pID>
	<pName>add Auditing</pName>
	<pStart>8/19/2008</pStart>
	<pEnd>8/21/2008</pEnd>
	<pColor>0000ff</pColor>
	<pLink></pLink>
	<pMile>0</pMile>
	<pRes>Mal</pRes>
	<pComp>50</pComp>
	<pGroup>0</pGroup>
	<pParent>10</pParent>
	<pOpen>1</pOpen>
	<pDepend>20</pDepend>
</task>
</project>

Final code should look like 

<link rel="stylesheet" type="text/css" href="jsgantt.css" />
<script language="javascript" src="jsgantt.js"></script>
<div style="position:relative" class="gantt" id="GanttChartDIV"></div>
<script>
  var g = new JSGantt.GanttChart('g',document.getElementById('GanttChartDIV'), 'day');
  g.setShowRes(1); // Show/Hide Responsible (0/1)
  g.setShowDur(1); // Show/Hide Duration (0/1)
  g.setShowComp(1); // Show/Hide % Complete(0/1)
  g.setCaptionType('Resource');  // Set to Show Caption
  if( g ) {
    g.AddTaskItem(new JSGantt.TaskItem(1,   'Define Chart API',     '',          '',          'ff0000', 'http://help.com', 0, 'Brian',     0, 1, 0, 1));
    g.AddTaskItem(new JSGantt.TaskItem(11,  'Chart Object',         '2/20/2008', '2/20/2008', 'ff00ff', 'http://www.yahoo.com', 1, 'Shlomy',  100, 0, 1, 1));
    g.AddTaskItem(new JSGantt.TaskItem(12,  'Task Objects',         '',          '',          '00ff00', '', 0, 'Shlomy',   40, 1, 1, 1));
    g.AddTaskItem(new JSGantt.TaskItem(121, 'Constructor Proc',     '2/21/2008', '3/9/2008',  '00ffff', 'http://www.yahoo.com', 0, 'Brian T.', 60, 0, 12, 1));
    g.AddTaskItem(new JSGantt.TaskItem(122, 'Task Variables',       '3/6/2008',  '3/11/2008', 'ff0000', 'http://help.com', 0, '',         60, 0, 12, 1,121));
    g.AddTaskItem(new JSGantt.TaskItem(123, 'Task Functions',       '3/9/2008',  '3/29/2008', 'ff0000', 'http://help.com', 0, 'Anyone',   60, 0, 12, 1, 0, 'This is another caption'));
    g.AddTaskItem(new JSGantt.TaskItem(2,   'Create HTML Shell',    '3/24/2008', '3/25/2008', 'ffff00', 'http://help.com', 0, 'Brian',    20, 0, 0, 1,122));
    g.AddTaskItem(new JSGantt.TaskItem(3,   'Code Javascript',      '',          '',          'ff0000', 'http://help.com', 0, 'Brian',     0, 1, 0, 1 ));
    g.AddTaskItem(new JSGantt.TaskItem(31,  'Define Variables',     '2/25/2008', '3/17/2008', 'ff00ff', 'http://help.com', 0, 'Brian',    30, 0, 3, 1, ,'Caption 1'));
    g.AddTaskItem(new JSGantt.TaskItem(32,  'Calculate Chart Size', '3/15/2008', '3/24/2008', '00ff00', 'http://help.com', 0, 'Shlomy',   40, 0, 3, 1));
    g.AddTaskItem(new JSGantt.TaskItem(33,  'Draw Taks Items',      '',          '',          '00ff00', 'http://help.com', 0, 'Someone',  40, 1, 3, 1));
    g.AddTaskItem(new JSGantt.TaskItem(332, 'Task Label Table',     '3/6/2008',  '3/11/2008', '0000ff', 'http://help.com', 0, 'Brian',    60, 0, 33, 1));
    g.AddTaskItem(new JSGantt.TaskItem(333, 'Task Scrolling Grid',  '3/9/2008',  '3/20/2008', '0000ff', 'http://help.com', 0, 'Brian',    60, 0, 33, 1));
    g.AddTaskItem(new JSGantt.TaskItem(34,  'Draw Task Bars',       '',          '',          '990000', 'http://help.com', 0, 'Anybody',  60, 1, 3, 1));
    g.AddTaskItem(new JSGantt.TaskItem(341, 'Loop each Task',       '3/26/2008', '4/11/2008', 'ff0000', 'http://help.com', 0, 'Brian',    60, 0, 34, 1, "332,333"));
    g.AddTaskItem(new JSGantt.TaskItem(342, 'Calculate Start/Stop', '4/12/2008', '5/18/2008', 'ff6666', 'http://help.com', 0, 'Brian',    60, 0, 34, 1));
    g.AddTaskItem(new JSGantt.TaskItem(343, 'Draw Task Div',        '5/13/2008', '5/17/2008', 'ff0000', 'http://help.com', 0, 'Brian',    60, 0, 34, 1));
    g.AddTaskItem(new JSGantt.TaskItem(344, 'Draw Completion Div',  '5/17/2008', '6/04/2008', 'ff0000', 'http://help.com', 0, 'Brian',    60, 0, 34, 1));
    g.AddTaskItem(new JSGantt.TaskItem(35,  'Make Updates',         '10/17/2008','12/04/2008','f600f6', 'http://help.com', 0, 'Brian',    30, 0, 3,  1));
    g.Draw();	
    g.DrawDependencies();
  }
  else
  {
    alert("not defined");
  }
</script>