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/*
 * jQuery like selection helper
 *
 * Waits for a selector, HTML or DOM elements
 * Second argument is an optional context
 * 
 * Returns an array
 */

function $ (selector, context) {
  if (!selector) {
    return [];
  }
  
  // If selector is a function
  else if (typeof selector === 'function') {
    return document.addEventListener("DOMContentLoaded", selector);
  }

   // If selector it's an array we assume it's an array of elements
  else if (selector instanceof Array) {
    return selector;
  }
  
  // If selector DOM element
  else if (selector.nodeType === 1) {
    return [ selector ];
  }
  
  // If selector is HTML
  else if (selector.match(/^\s*<(\w+|!)[^>]*>/)) {
    var container;
    
    container = document.createElement('div');
    container.innerHTML = selector;

    return [].slice.call(container.childNodes);
  }
  
  // Otherwise we assume it's a string selector
  else {
    if (context) {
      context = $(context)[0];
    } else {
      context = document;   
    }
    
    return [].slice.call(context.querySelectorAll(selector));
  }
};