Bug 168305 IsHostPage doesn't work for birt:report tag.[0603]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/RequesterTag.java
BirtResources.setLocale( locale );
		
		
		if ( viewer.isCustom( )
				&& ( viewer.getName( ) == null || viewer.getName( ).length( ) <= 0 ) )
		{
			throw new JspTagException( BirtResources
					.getMessage( ResourceConstants.TAGLIB_NO_REQUESTER_NAME ) );
		}
		
		if ( viewer.getReportDesign( ) == null
				&& viewer.getReportDocument( ) == null )
		{
			throw new JspTagException( BirtResources
					.getMessage( ResourceConstants.TAGLIB_NO_REPORT_SOURCE ) );
		}
		
		if ( viewer.getReportletId( ) != null
				&& viewer.getReportDocument( ) == null )
		{
			throw new JspTagException( BirtResources
					.getMessage( ResourceConstants.TAGLIB_NO_REPORT_DOCUMENT ) );
		}
	}
	/**
	 * Handle event before doEndTag
	 */
	protected void __beforeEndTag( )
	{