derekovecs: som: fix mouseover titles
diff --git a/js/som.js b/js/som.js
index 1931f4f..c33950c 100644
--- a/js/som.js
+++ b/js/som.js
@@ -194,11 +194,14 @@
 			.data(data.words)
 			.enter().append("g")
 			.attr("class", "u");
-	g.append("a")
+
+    g.append("svg:title")
+        .text(function(d, i) {
+		        return "distance rank: "+ i +"  "+"\nfrequency rank: "+data.ranks[i].toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+	      });
+
+	  g.append("a")
 	  .attr("xlink:href", function(word) {return "?"+urlprefix+word;})
-	  .attr("title", function(d, i) {
-		  return "rank: "+i +"  "+"freq. rank: "+data.ranks[i].toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
-	  })
 		.append("text")
     .attr("text-anchor", "bottom")
     .attr("font-size", 12)