Bug 168172 Add the get() and set() functions of HideDetail parameter on IGroup
Add the get() and set() functions of HideDetail parameter on IGroup, and thus enable the hidedetail shifting on the Group through eventhandler.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/script/internal/element/Group.java
catch ( SemanticException e )
		{
			throw new ScriptException( e.getLocalizedMessage( ) );
		}
	}
	public String getName( )
	{
		return ( (GroupHandle) handle ).getName( );
	}
	public void setName( String name ) throws ScriptException
	{
		try
		{
		( (GroupHandle) handle ).setName( name );
		}
		catch (NameException e)
		{
			throw new ScriptException( e.getLocalizedMessage( ) );
		}
	}
	public String getIntervalBase( )
	{
		return ( (GroupHandle) handle ).getIntervalBase( );
	}
	public void setIntervalBase( String intervalBase ) throws ScriptException
	{
		try
		{
			( (GroupHandle) handle ).setIntervalBase( intervalBase );
		}