sortable neighbourslist table

vendor/tablesort.numeric.js

@@ -0,0 +1,26 @@
+(function(){
+  var cleanNumber = function(i) {
+    return i.replace(/[^\-?0-9.]/g, '');
+  },
+
+  compareNumber = function(a, b) {
+    a = parseFloat(a);
+    b = parseFloat(b);
+
+    a = isNaN(a) ? 0 : a;
+    b = isNaN(b) ? 0 : b;
+
+    return a - b;
+  };
+
+  Tablesort.extend('number', function(item) {
+    return item.match(/^-?[£\x24Û¢´€]?\d+\s*([,\.]\d{0,2})/) || // Prefixed currency
+      item.match(/^-?\d+\s*([,\.]\d{0,2})?[£\x24Û¢´€]/) || // Suffixed currency
+      item.match(/^-?(\d)*-?([,\.]){0,1}-?(\d)+([E,e][\-+][\d]+)?%?$/); // Number
+  }, function(a, b) {
+    a = cleanNumber(a);
+    b = cleanNumber(b);
+
+    return compareNumber(b, a);
+  });
+}());