Bug 168304 Context root issue when set to other BIRT Web Project.[0603]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/component/ViewerField.java
private String forceParameterPrompting;
	private String showTitle;
	private String showToolBar;
	private String showNavigationBar;
	private boolean forceIFrame = false;
	/**
	 * Report parameters
	 */
	private Map parameters;
	/**
	 * Create the final URI string to preview report
	 * 
	 * @param iPattern
	 * @return
	 */
	public String createURI( String iPattern )
	{
		String uri = iPattern;
		if ( uri == null )
			uri = this.pattern;
		if ( uri == null )
		{
			uri = IBirtConstants.VIEWER_FRAMESET;
			
			
			if ( ( reportDocument != null && reportletId != null )
					|| !allowPageBreak )
			{
				uri = IBirtConstants.VIEWER_RUN;
			}