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/ReportTag.java
__handleIFrame( viewer.createURI( IBirtConstants.VIEWER_PREVIEW ),
					viewer.getId( ) );
		}
		else
		{
			
			ByteArrayOutputStream out = new ByteArrayOutputStream( );
			__handleOutputReport( out );
			String content = out.toString( );
			JspWriter writer = pageContext.getOut( );
			if ( viewer.isHostPage( ) )
			{
				
				writer.write( content );
			}
			else
			{
				
				writer.write( __handleStyle( content ) );
				
				writer.write( __handleScript( content ) );
				
				writer.write( "<div id='" + viewer.getId( ) + "'" 
						+ __handleDivAppearance( ) + ">\n" ); 
				writer.write( "<div class='" + __handleBodyStyle( content ) 
						+ "'>\n" ); 
				writer.write( __handleBody( content ) + "\n" ); 
				writer.write( "</div>\n" ); 
				writer.write( "</div>\n" );