gantt

<?xml version="1.0" encoding="UTF-8"?>
<projects>
 <project id = "1" name = "project1" startdate = "2010,12,14">

          <task id="1">
            <name>project1 task1</name>
            <est>2010,12,14</est>
            <duration>120</duration>
            <percentcompleted>60</percentcompleted>
            <predecessortasks></predecessortasks>
            <childtasks>

                  <task id="2">
                    <name>project1 task2</name>
                    <est>2010,12,14</est>
                    <duration>100</duration>
                    <percentcompleted>20</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                  </task>

                  <task id="6">
                    <name>project1 task6</name>
                    <est>2010,12,15</est>
                    <duration>90</duration>
                    <percentcompleted>10</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                  </task>

                 <task id="7">
                    <name>project1 task7</name>
                    <est>2010,12,14</est>
                    <duration>65</duration>
                    <percentcompleted>30</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                </task>

            </childtasks>
          </task>

        <task id="8">
            <name>project1 task8</name>
            <est>2011,1,7</est>
            <duration>130</duration>
            <percentcompleted>30</percentcompleted>
            <predecessortasks>1</predecessortasks>
            <childtasks>

                <task id="9">
                    <name>project1  task9</name>
                    <est>2011,1,7</est>
                    <duration>70</duration>
                    <percentcompleted>35</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                </task>

                <task id="10">
                    <name>project1  task10</name>
                    <est>2011,1,7</est>
                    <duration>72</duration>
                    <percentcompleted>40</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                </task>

                <task id="3">
                    <name>project1 task3</name>
                    <est>2011,1,7</est>
                    <duration>70</duration>
                    <percentcompleted>88</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                </task>

                <task id="4">
                    <name>project1 task4</name>
                    <est>2011,1,8</est>
                    <duration>50</duration>
                    <percentcompleted>40</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                </task>

                <task id="5">
                    <name>project1 task5</name>
                    <est>2011,1,8</est>
                    <duration>40</duration>
                    <percentcompleted>70</percentcompleted>
                    <predecessortasks></predecessortasks>
                    <childtasks></childtasks>
                </task>

            </childtasks>
        </task>

</project>

 <project id = "2" name = "project2" startdate = "2010,12,20">

    <task id="12">
        <name>project2 task12</name>
        <est>2010,12,20</est>
        <duration>140</duration>
        <percentcompleted>60</percentcompleted>
        <predecessortasks></predecessortasks>
        <childtasks>

            <task id="14">
                <name>project2 task14</name>
                <est>2010,12,20</est>
                <duration>100</duration>
                <percentcompleted>20</percentcompleted>
                <predecessortasks></predecessortasks>
                <childtasks></childtasks>
            </task>

            <task id="15">
                <name>project2 task15</name>
                <est>2010,12,21</est>
                <duration>100</duration>
                <percentcompleted>20</percentcompleted>
                <predecessortasks></predecessortasks>
                <childtasks></childtasks>
            </task>

            <task id="16">
                <name>project2 task16</name>
                <est>2010,12,22</est>
                <duration>100</duration>
                <percentcompleted>20</percentcompleted>
                <predecessortasks></predecessortasks>
                <childtasks></childtasks>
            </task>

        </childtasks>
    </task>

 </project>

</projects>