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
}
		
		if ( contextRoot != null )
			uri = "/" + contextRoot + "/" + uri; 
		
		if ( format != null )
		{
			uri += "?" + ParameterAccessor.PARAM_FORMAT + "=" 
					+ urlParamValueEncode( format );
		}
		else
		{
			uri += "?" + ParameterAccessor.PARAM_FORMAT + "=" 
					+ ParameterAccessor.PARAM_FORMAT_HTML;
		}
		
		if ( reportDesign != null )
			uri += "&" + ParameterAccessor.PARAM_REPORT + "=" + urlParamValueEncode( reportDesign ); 
		
		if ( reportDocument != null )
			uri += "&" + ParameterAccessor.PARAM_REPORT_DOCUMENT + "=" 
					+ urlParamValueEncode( reportDocument );
		
		if ( reportletId != null )
			uri += "&" + ParameterAccessor.PARAM_INSTANCEID + "=" + urlParamValueEncode( reportletId ); 
		if ( allowPageBreak && id != null )
			uri += "&" + ParameterAccessor.PARAM_ID + "=" + urlParamValueEncode( id ); 
		
		if ( allowPageBreak && title != null )
			uri += "&" + ParameterAccessor.PARAM_TITLE + "=" + urlParamValueEncode( title );