diff --git a/Repositories/statistics/includes/inc.fns.cumulative_usage_country.es.php b/Repositories/statistics/includes/inc.fns.cumulative_usage_country.es.php
index e876079..617170c 100755
--- a/Repositories/statistics/includes/inc.fns.cumulative_usage_country.es.php
+++ b/Repositories/statistics/includes/inc.fns.cumulative_usage_country.es.php
@@ -76,6 +76,13 @@
 		$total_abstracts = 0;
 		$abstract_countries = array();
 		$download_countries = array();
+		/* NJS 2007-02-07
+		   Keep an independent count of the row number so that we can
+		   highlight them properly. We can't just use the loop counter
+		   $rs below because we skip certain rows according to which
+		   mode we're in, so $rs will appear to skip unpredictably.
+		*/
+		$row = 0;
 	
 		for ( $rs = 0; $rs < count( $GLOBALS["db_values"] ); $rs++ )
 		{
@@ -108,7 +115,7 @@
 			if ($GLOBALS["db_values"][$rs]["country_name"]=='N/A') { $GLOBALS["db_values"][$rs]["country_name"]='unknown'; }
 			// NJS 2005-12-15: subtly highlight every alternate row
 			print '<tr';
-			if ($rs % 2) print ' style="background-color:#EDF3FE;"';
+			if ($row++ % 2) print ' style="background-color:#EDF3FE;"';
 			print '><td>';
 			
 			// select a flag