Bug 166732 Duplicate id isn't handled in BIRT viewer tag.[0603]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/AbstractViewerTag.java
style += viewer.getStyle( ) + ";"; 
		style += "' "; 	
		return style;
	}
	/**
	 * Add parameter into list
	 * 
	 * @param field
	 */
	public void addParameter( ParameterField field )
	{
		if ( field != null )
			parameters.put( field.getName( ), field );
	}
	/**
	 * @param id
	 *            the id to set
	 */
	public void setId( String id )
	{
		viewer.setId( id );
	}
	/**
	 * @param name
	 *            the name to set
	 */
	public void setName( String name )
	{
		viewer.setName( name );
	}