Bug 119566 Support template items in page header/footer
Currently you can't create template report items inside a page header/footer. This should be fixed.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
*/
	public Object validatePropertyValue( Module module, String propName,
			Object value ) throws PropertyNameException, PropertyValueException
	{
		
		
		ElementPropertyDefn prop = getPropertyDefn( propName );
		if ( prop == null )
			throw new PropertyNameException( this, propName );
		
		try
		{
			return prop.validateValue( module, value );
		}
		catch ( PropertyValueException e )
		{
			
			e.setElement( this );
			e.setPropertyName( propName );
			throw e;
		}
	}
	/**
	 * Returns the shared style referenced by this element. This method will try
	 * to resolve the style element if the value is un-resolved.
	 * <p>
	 * Part of: Style system.
	 * 
	 * @param module
	 *            module