Bug 214706 Script UID doens't work for Chart
Use chart "onRender" property handle and call ModuleUtil.getScriptUID(), it generates the id. But later use this id to get back the PropertyHandle or Script content, it fails.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/PropertyHandle.java
isVisible = false;
				break;
		}
		return isVisible;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.api.SimpleValueHandle#removeItem(int)
	 */
	public void removeItem( int posn ) throws PropertyValueException
	{
		try
		{
			ComplexPropertyCommand cmd = new ComplexPropertyCommand(
					getModule( ), getElement( ) );
			cmd.removeItem( getReference( ), posn );
		}
		catch ( PropertyValueException e )
		{
			throw e;
		}
		catch ( SemanticException e )
		{
			assert false;
		}
	}
	/*
	 * (non-Javadoc)
	 *