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/util/xpathparser/XPathParser.java
}
		return null;
	}
	/**
	 * Checks if tag is structure tag
	 * 
	 * @param tagName
	 *            tag name
	 * @return if tag is property tag or list property tag return true; else
	 *         return false.
	 */
	private static boolean isStructureTag( String tagName )
	{
		if ( DesignSchemaConstants.STRUCTURE_TAG.equalsIgnoreCase( tagName ) )
			return true;
		return false;
	}
	/**
	 * Checks whether the input tag is the property tag.
	 * 
	 * @param tagName
	 *            the tag
	 * @return <code>true</code> if it is property tag. Otherwise
	 *         <code>false</code>.
	 */
	private static boolean isPropertyTag( String tagName )
	{
		if ( tagName == null )
			return true;
		if ( DesignSchemaConstants.PROPERTY_TAG.equalsIgnoreCase( tagName ) )