gistfile1.js

  function containsArray(haystack, needle) {
    var matched = 0;

    for(var i in haystack) {
      if(haystack[i] == needle[matched]) {
        matched = matched + 1;
        if(matched == needle.length) { 
          return i - matched + 1; 
        }
      } else { matched = 0; }
    }
    return false;
  }