Removing tag by text stored in it

Hie , I am using DOM ,
<?xml version="1.0" encoding="UTF-8" standalone="no">
<SideBar>

<Box>party</Box>
<Box>Event</Box>

<party>BirthdayParty</party>
<party>GetTogetherParty</party>

<Event>LeasureEvent</Event>
<Event>SomeEvent</Event>
</SideBar>

here i want to delete //<party>GetTogetherParty</party>
How Can I do that ...!
m working from long ... need help..!

got it:
Node staff = doc.getElementsByTagName("SideBar").item(0);

Element SideBar = doc.getDocumentElement();
NodeList Box = SideBar.getElementsByTagName(BoxName);

for (int j=0; j<Box.getLength(); j++ )
{
Node BoxItem = Box.item(j);
if ( isTextNode(BoxItem))
continue;
String strBoxName=BoxItem.getTextContent();
if(strBoxName.equals(PageName))
{
staff.removeChild(BoxItem);
}
}