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diff --git a/school/node_modules/nwsapi/src/modules/nwsapi-jquery.js b/school/node_modules/nwsapi/src/modules/nwsapi-jquery.js
new file mode 100644
index 0000000..961cb30
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+++ b/school/node_modules/nwsapi/src/modules/nwsapi-jquery.js
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2007-2017 Diego Perini
+ * All rights reserved.
+ *
+ * this is just a small example to show
+ * how an extension for NWMatcher could be
+ * adapted to handle special jQuery selectors
+ *
+ * Child Selectors
+ * :even, :odd, :eq, :lt, :gt, :first, :last, :nth
+ *
+ * Pseudo Selectors
+ * :has, :button, :header, :input, :checkbox, :radio, :file, :image
+ * :password, :reset, :submit, :text, :hidden, :visible, :parent
+ *
+ */
+
+// for structural pseudo-classes extensions
+NW.Dom.registerSelector(
+  'jquery:child',
+  /^\:((?:(nth|eq|lt|gt)\(([^()]*)\))|(?:even|odd|first|last))(.*)/i,
+  (function(global) {
+
+    return function(match, source, mode, callback) {
+
+      var status = true,
+      macro = mode ? NW.Dom.S_BODY : NW.Dom.M_BODY;
+
+      macro = macro.replace('@', typeof callback == 'function' ? (mode ? NW.Dom.S_TEST : NW.Dom.M_TEST) : '');
+
+      switch (match[1].toLowerCase()) {
+        case 'odd':
+          source = source.replace(macro, 'if((n=n^1)==0){' + macro + '}');
+          break;
+        case 'even':
+          source = source.replace(macro, 'if((n=n^1)==1){' + macro + '}');
+          break;
+        case 'first':
+          source = 'n=s.root.getElementsByTagName(e.nodeName);if(n.length&&n[0]===e){' + source + '}';
+          break;
+        case 'last':
+          source = 'n=s.root.getElementsByTagName(e.nodeName);if(n.length&&n[n.length-1]===e){' + source + '}';
+          break;
+        default:
+          switch (match[2].toLowerCase()) {
+            case 'nth':
+              source = 'n=s.root.getElementsByTagName(e.nodeName);if(n.length&&n[' + match[3] + ']===e){' + source + '}';
+              break;
+            case 'eq':
+              source = source.replace(macro, 'if(x++==' + match[3] + '){' + macro + '}');
+              break;
+            case 'lt':
+              source = source.replace(macro, 'if(x++<' + match[3] + '){' + macro + '}');
+              break;
+            case 'gt':
+              source = source.replace(macro, 'if(x++>' + match[3] + '){' + macro + '}');
+              break;
+            default:
+              status = false;
+              break;
+          }
+          break;
+      }
+
+      // compiler will add this to "source"
+      return {
+        'source': source,
+        'status': status,
+        'modvar': 'x=0'
+      };
+
+    };
+
+  })(this));
+
+// for element pseudo-classes extensions
+NW.Dom.registerSelector(
+  'jquery:pseudo',
+  /^\:(has|checkbox|file|image|password|radio|reset|submit|text|button|input|header|hidden|visible|parent)(?:\(\s*(["']*)?([^'"()]*)\2\s*\))?(.*)/i,
+  (function(global) {
+
+    return function(match, source, mode, callback) {
+
+      var status = true,
+      macro = mode ? NW.Dom.S_BODY : NW.Dom.M_BODY;
+
+      macro = macro.replace('@', typeof callback == 'function' ? (mode ? NW.Dom.S_TEST : NW.Dom.M_TEST) : '');
+
+      switch(match[1].toLowerCase()) {
+        case 'has':
+          source = source.replace(macro, 'if(e.getElementsByTagName("' + match[3].replace(/^\s|\s$/g, '') + '")[0]){' + macro + '}');
+          break;
+        case 'checkbox':
+        case 'file':
+        case 'image':
+        case 'password':
+        case 'radio':
+        case 'reset':
+        case 'submit':
+        case 'text':
+          // :checkbox, :file, :image, :password, :radio, :reset, :submit, :text
+          source = 'if(/^' + match[1] + '$/i.test(e.type)){' + source + '}';
+          break;
+        case 'button':
+          source = 'if(/^button$/i.test(e.nodeName)){' + source + '}';
+          break;
+        case 'input':
+          source = 'if(/^(?:button|input|select|textarea)$/i.test(e.nodeName)){' + source + '}';
+          break;
+        case 'header':
+          source = 'if(/^h[1-6]$/i.test(e.nodeName)){' + source + '}';
+          break;
+        case 'hidden':
+          source = 'if(!e.offsetWidth&&!e.offsetHeight){' + source + '}';
+          break;
+        case 'visible':
+          source = 'if(e.offsetWidth||e.offsetHeight){' + source + '}';
+          break;
+        case 'parent':
+          source = 'if(e.firstChild){' + source + '}';
+          break;
+        default:
+          status = false;
+          break;
+      }
+
+      // compiler will add this to "source"
+      return {
+        'source': source,
+        'status': status
+      };
+
+    };
+
+  })(this));