jQuery(function($) {

  function getAttributeNames(node) {

    var index, rv, attrs;

    rv = [];

    attrs = node.attributes;

    for (index = 0; index < attrs.length; ++index) {

      rv.push(attrs[index].nodeName);

    }

    rv.sort();

    return rv;

  }

  function equivElms(elm1, elm2) {

    var attrs1, attrs2, name, node1, node2;

    // Compare attributes without order sensitivity

    attrs1 = getAttributeNames(elm1);

    attrs2 = getAttributeNames(elm2);

    if (attrs1.join(",") !== attrs2.join(",")) {

      display("Found nodes with different sets of attributes; not equiv");

      return false;

    }

    // ...and values

    // unless you want to compare DOM0 event handlers

    // (onclick="...")

    for (index = 0; index < attrs1.length; ++index) {

      name = attrs1[index];

      if (elm1.getAttribute(name) !== elm2.getAttribute(name)) {

        display("Found nodes with mis-matched values for attribute '" + name + "'; not equiv");

        return false;

      }

    }

    // Walk the children

    for (node1 = elm1.firstChild, node2 = elm2.firstChild;

         node1 && node2;

         node1 = node1.nextSibling, node2 = node2.nextSibling) {

       if (node1.nodeType !== node2.nodeType) {

         display("Found nodes of different types; not equiv");

         return false;

       }

       if (node1.nodeType === 1) { // Element

         if (!equivElms(node1, node2)) {

           return false;

         }

       }

       else if (node1.nodeValue !== node2.nodeValue) {

         display("Found nodes with mis-matched nodeValues; not equiv");

         return false;

       }

    }

    if (node1 || node2) {

      // One of the elements had more nodes than the other

      display("Found more children of one element than the other; not equivalent");

      return false;

    }

    // Seem the same

    return true;

  }

  var divs = $("div");

  display("Equiv? " + equivElms(divs[0], divs[1]));

  function display(msg) {

    $("<p>").html(msg).appendTo(document.body);

  }

});