Compile changes from #19.

@@ -6,6 +6,36 @@
 
 
   Rivets = {};
   Rivets = {};
 
 
+  if (!String.prototype.trim) {
+    String.prototype.trim = function() {
+      return this.replace(/^\s\*/, '').replace(/\s\s*$/, '');
+    };
+  }
+
+  if (!Array.prototype.map) {
+    Array.prototype.map = function(callback) {
+      var A, O, T, k, len;
+      if (this === null) {
+        throw new TypeError("Can't convert " + this + " to object");
+      }
+      O = Object(this);
+      len = O.length >>> 0;
+      if (typeof callback !== 'function') {
+        throw new TypeError("" + callback + " is not a function");
+      }
+      T = arguments[1];
+      A = new Array(len);
+      k = 0;
+      while (k < len) {
+        if (k in O) {
+          A[k] = callbackfn.call(T, O[k], k, O);
+        }
+        k++;
+      }
+      return A;
+    };
+  }
+
   Rivets.Binding = (function() {
   Rivets.Binding = (function() {
 
 
     function Binding(el, type, model, keypath, formatters) {
     function Binding(el, type, model, keypath, formatters) {
@@ -40,7 +70,11 @@
         this.set(Rivets.config.adapter.read(this.model, this.keypath));
         this.set(Rivets.config.adapter.read(this.model, this.keypath));
       }
       }
       if (_ref = this.type, __indexOf.call(bidirectionals, _ref) >= 0) {
       if (_ref = this.type, __indexOf.call(bidirectionals, _ref) >= 0) {
-        return this.el.addEventListener('change', this.publish);
+        if (window.addEventListener) {
+          return this.el.addEventListener('change', this.publish);
+        } else {
+          return this.el.attatchEvent('change', this.publish);
+        }
       }
       }
     };
     };