function autocomplete(inp, arr, idlocal=0, type_search='hotel') {
  /*the autocomplete function takes two arguments,
  the text field element and an array of possible autocompleted values:*/
  var currentFocus;
  /*execute a function when someone writes in the text field:*/
	var searchTimer = null;
  inp.addEventListener("input", function(e) {
  	var that = this;
  	clearTimeout(searchTimer);
	  searchTimer = setTimeout(function () {
		  var a, b, i, val = that.value;
		  /*close any already open lists of autocompleted values*/
		  closeAllLists();
		  if (!val) { return false;}
		  currentFocus = -1;
		  /*create a DIV element that will contain the items (values):*/
		  a = document.createElement("DIV");
		  a.setAttribute("id", that.id + "autocomplete-list");
		  a.setAttribute("class", "autocomplete-items");
		  /*append the DIV element as a child of the autocomplete container:*/
		  that.parentNode.appendChild(a);
      var url_search =  url_site+"fillter-hotel.html";
      if (type_search !== 'hotel') {
        url_search =  url_site+"fillter-news.html";
      }
		  $.ajax({
			  url:  url_search,
			  type: 'POST',
			  dataType: 'JSON',
			  data: {"q": val, "idlocal": idlocal},
			  success: function(result) {
				  $('#msg').html('');
				  $('#msg').html(result.msg).show();
				  if(result.code==0){
					  arr = result.data.hotel;
					  /*for each item in the array...*/
            var topicHotel = document.createElement("div");
            var topicLocation = document.createElement("div");
            arrLocation = result.data.location;
            if (arrLocation.length > 0) {
              topicLocation.innerHTML =`<p class="bold blue">Tìm kiếm khu vực</p>`;
              a.appendChild(topicLocation);
              for (i = 0; i < arrLocation.length; i++) {
                if(Object.keys(arrLocation[i]).length) {
                  var ispro = arrLocation[i];
                  b = document.createElement("DIV");
                  b.innerHTML = `<a href='${ispro['link_location']}'>
                  <strong>${ispro['name_location']}</strong>
                  </a>`;
                  b.innerHTML += "<input type='hidden' value=''>";
                  b.addEventListener("click", function(e) {
                    inp.value = this.getElementsByTagName("input")[0].value;
                    closeAllLists();
                  });
                  a.appendChild(b);
                }
              }
            }

            if (arr.length > 0) {
              topicHotel.innerHTML =`<p class="bold blue">Tìm kiếm khách sạn</p>`;
              a.appendChild(topicHotel);
              for (i = 0; i < arr.length; i++) {
                /*check if the item starts with the same letters as the text field value:*/
                //if (arr[i].substr(0, val.length).toUpperCase() == val.toUpperCase()) {
                if(Object.keys(arr[i]).length) {
                  var ispro = arr[i];
                  /*create a DIV element for each matching element:*/
                  b = document.createElement("DIV");
                  /*make the matching letters bold:*/
                  b.innerHTML = `<a href='${ispro['link_hotel']}'>
                  <img data-src="${ispro['link_images']}" src="${url_site}static/images/lazy-load.gif" width="50px" data-sizes="50px"
                  class="lazyload">
                  <strong>${ispro['hotel_name']}</strong>
                  <span>${ispro['star']}</span>
                  </a>`;
                  //b.innerHTML += arr[i].substr(val.length);
                  /*insert a input field that will hold the current array item's value:*/
                  b.innerHTML += "<input type='hidden' value=''>";
                  /*execute a function when someone clicks on the item value (DIV element):*/
                  b.addEventListener("click", function(e) {
                    /*insert the value for the autocomplete text field:*/
                    inp.value = this.getElementsByTagName("input")[0].value;
                    /*close the list of autocompleted values,
                                    (or any other open lists of autocompleted values:*/
                    closeAllLists();
                  });
                  a.appendChild(b);
                }
              }
            }
           
				  }else{

				  }
			  }
		  });
	  }, 1000);

  });
  /*execute a function presses a key on the keyboard:*/
  inp.addEventListener("keydown", function(e) {
      var x = document.getElementById(this.id + "autocomplete-list");
      if (x) x = x.getElementsByTagName("div");
      if (e.keyCode == 40) {
        /*If the arrow DOWN key is pressed,
        increase the currentFocus variable:*/
        currentFocus++;
        /*and and make the current item more visible:*/
        addActive(x);
      } else if (e.keyCode == 38) { //up
        /*If the arrow UP key is pressed,
        decrease the currentFocus variable:*/
        currentFocus--;
        /*and and make the current item more visible:*/
        addActive(x);
      } else if (e.keyCode == 13) {
        /*If the ENTER key is pressed, prevent the form from being submitted,*/
        e.preventDefault();
        if (currentFocus > -1) {
          /*and simulate a click on the "active" item:*/
          if (x) x[currentFocus].click();
        }
      }
  });
  function addActive(x) {
    /*a function to classify an item as "active":*/
    if (!x) return false;
    /*start by removing the "active" class on all items:*/
    removeActive(x);
    if (currentFocus >= x.length) currentFocus = 0;
    if (currentFocus < 0) currentFocus = (x.length - 1);
    /*add class "autocomplete-active":*/
    x[currentFocus].classList.add("autocomplete-active");
  }
  function removeActive(x) {
    /*a function to remove the "active" class from all autocomplete items:*/
    for (var i = 0; i < x.length; i++) {
      x[i].classList.remove("autocomplete-active");
    }
  }
  function closeAllLists(elmnt) {
    /*close all autocomplete lists in the document,
			except the one passed as an argument:*/
			var x = document.getElementsByClassName("autocomplete-items");
			for (var i = 0; i < x.length; i++) {
				if (elmnt != x[i] && elmnt != inp) {
				x[i].parentNode.removeChild(x[i]);
			}
  	}
	}
/*execute a function when someone clicks in the document:*/
	document.addEventListener("click", function (e) {
			closeAllLists(e.target);
	});
}