Bug 201042 [Accessibility]Chart scritp should not add by auto when click the down in keyboard[17]
Description: Chart scritp should not add by auto when click the down in keyboard[0704] Step: 1. New a chart and switch to script view. 2. Let the point on the script function selection. 3. Click the down on keyboard. Actual result: A function will add by auto. Expected result: Customer can not select the function under the second function by keyboard, and it should not be added by auto.
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/JSEditor.java
{
	private static final String NO_TEXT = Messages.getString( "JSEditor.Text.NoText" ); 
	public Object[] getElements( Object inputElement )
	{
		if ( inputElement instanceof ExtendedItemHandle )
		{
			ExtendedItemHandle extHandle = (ExtendedItemHandle) inputElement;
			List methods = extHandle.getMethods( );
			List returnList = new ArrayList( );
			for ( Iterator iter = methods.iterator( ); iter.hasNext( ); )
			{
				IElementPropertyDefn method = (IElementPropertyDefn) iter.next( );
				if ( extHandle.getMethods( method.getName( ) ) != null )
				
				
				
				
				{
					returnList.add( method );
				}
			}
			return returnList.toArray( );
		}
		else if ( inputElement instanceof DesignElementHandle )
		{
			DesignElementHandle eleHandle = (DesignElementHandle) inputElement;
			if ( eleHandle.getDefn( ) != null )
			{