Bug 122687 Libraries dont appear to allow background colors on tables to be used
If I create a table and set the background color to blue in my library and then drag the table from the library to the report the background color does not go with it.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
* 
	 * @return the virtual parent element.
	 */
	public DesignElement getVirtualParent( )
	{
		if ( !isVirtualElement( ) )
			return null;
		
		DesignElement parent = null;
		DesignElement cur = this;
		while ( cur.getContainer( ) != null )
		{
			DesignElement container = cur.getContainer( );
			if ( container.getExtendsElement( ) != null )
			{
				parent = container.getExtendsElement( );
				break;
			}
			cur = cur.getContainer( );
		}
		
		if ( parent == null )
			return null;
		assert parent.getContainer( ) instanceof Module;
		return parent.getRoot( ).getElementByID( baseId );
	}
	/**
	 * Gets a property value given its internal name. This version does the full
	 * property search as defined by the given derived component. That is, it
	 * gets the "effective" property value. The name can be a built-in property