--- a/js/flotr2/js/DOM.js
+++ b/js/flotr2/js/DOM.js
@@ -1,1 +1,107 @@
+(function () {
 
+var _ = Flotr._;
+
+function getEl (el) {
+  return (el && el.jquery) ? el[0] : el;
+}
+
+Flotr.DOM = {
+  addClass: function(element, name){
+    element = getEl(element);
+    var classList = (element.className ? element.className : '');
+      if (_.include(classList.split(/\s+/g), name)) return;
+    element.className = (classList ? classList + ' ' : '') + name;
+  },
+  /**
+   * Create an element.
+   */
+  create: function(tag){
+    return document.createElement(tag);
+  },
+  node: function(html) {
+    var div = Flotr.DOM.create('div'), n;
+    div.innerHTML = html;
+    n = div.children[0];
+    div.innerHTML = '';
+    return n;
+  },
+  /**
+   * Remove all children.
+   */
+  empty: function(element){
+    element = getEl(element);
+    element.innerHTML = '';
+    /*
+    if (!element) return;
+    _.each(element.childNodes, function (e) {
+      Flotr.DOM.empty(e);
+      element.removeChild(e);
+    });
+    */
+  },
+  remove: function (element) {
+    element = getEl(element);
+    element.parentNode.removeChild(element);
+  },
+  hide: function(element){
+    element = getEl(element);
+    Flotr.DOM.setStyles(element, {display:'none'});
+  },
+  /**
+   * Insert a child.
+   * @param {Element} element
+   * @param {Element|String} Element or string to be appended.
+   */
+  insert: function(element, child){
+    element = getEl(element);
+    if(_.isString(child))
+      element.innerHTML += child;
+    else if (_.isElement(child))
+      element.appendChild(child);
+  },
+  // @TODO find xbrowser implementation
+  opacity: function(element, opacity) {
+    element = getEl(element);
+    element.style.opacity = opacity;
+  },
+  position: function(element, p){
+    element = getEl(element);
+    if (!element.offsetParent)
+      return {left: (element.offsetLeft || 0), top: (element.offsetTop || 0)};
+
+    p = this.position(element.offsetParent);
+    p.left  += element.offsetLeft;
+    p.top   += element.offsetTop;
+    return p;
+  },
+  removeClass: function(element, name) {
+    var classList = (element.className ? element.className : '');
+    element = getEl(element);
+    element.className = _.filter(classList.split(/\s+/g), function (c) {
+      if (c != name) return true; }
+    ).join(' ');
+  },
+  setStyles: function(element, o) {
+    element = getEl(element);
+    _.each(o, function (value, key) {
+      element.style[key] = value;
+    });
+  },
+  show: function(element){
+    element = getEl(element);
+    Flotr.DOM.setStyles(element, {display:''});
+  },
+  /**
+   * Return element size.
+   */
+  size: function(element){
+    element = getEl(element);
+    return {
+      height : element.offsetHeight,
+      width : element.offsetWidth };
+  }
+};
+
+})();
+