Index: lams_central/web/includes/javascript/chart.js
===================================================================
diff -u -r97f98aae7a2eedbfb3f591309f4d5cf8356d0e08 -ra83b0eec89979dce7415b02afdda324b14018dbb
--- lams_central/web/includes/javascript/chart.js	(.../chart.js)	(revision 97f98aae7a2eedbfb3f591309f4d5cf8356d0e08)
+++ lams_central/web/includes/javascript/chart.js	(.../chart.js)	(revision a83b0eec89979dce7415b02afdda324b14018dbb)
@@ -74,7 +74,7 @@
 	// otherwise the chart would be too wide
 	var tooltip = legend ? null : d3.select($(svg.node()).parent()[0])
 									.append('div')
-								    .attr('class', 'tooltip'),
+								    .attr('class', 'chartTooltip'),
 		legendWidth = legend ? legend.node().getBBox().width : 0,
 		// guess how wide the chart can be and compare it to half of available width
 		canvasWidth = (rawData.length * MIN_BAR_WIDTH * 1.1 + CHART_MARGIN.left > width / 2 ?
@@ -149,7 +149,7 @@
 	// calculate how much space we've got for the chart
 	var tooltip = legend ? null : d3.select($(svg.node()).parent()[0])
 									.append('div')
-								    .attr('class', 'tooltip'),
+								    .attr('class', 'chartTooltip'),
 		legendWidth = legend ? legend.node().getBBox().width : 0,
 		canvasWidth = width - legendWidth - (legend ? CHART_MARGIN.right : 0),
 		radius = Math.min(canvasWidth, height) / 2,