w2v-server: improve self-links in tsne-map and som
diff --git a/js/som.js b/js/som.js
index ca16d28..e496d36 100644
--- a/js/som.js
+++ b/js/som.js
@@ -135,7 +135,10 @@
 //  var avg, avgsim1, avgsim2, minsim;
   var refIndex;
   var colorScale;
-  
+  var urlprefix =  new URLSearchParams(window.location.search);
+  urlprefix.delete("word");
+  urlprefix.append("word","");
+
   if(no_targets > 1) {
     refIndex=1;
     colorScale = d3.scale.linear()
@@ -192,7 +195,7 @@
 			.enter().append("g")
 			.attr("class", "u");
 	g.append("a")
-	  .attr("xlink:href", function(word) {return data.urlprefix+word;})
+	  .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, ",");
 	  })