[Misha]

Originalno napisao Br@nkoR

var timeoutID = null;
function lookup(inputString) {
  if(inputString.length == 0) {
    $('#searchresults').hide();
  } else {
    clearTimeout(timeoutID);
    timeoutID = setTimeout(function () {
      $.post("ajaxsearch.php", {q: ""+inputString+""}, function(data){
        if(data.length >0) {
          $('#searchresults').show();
          $('#searchresults').html(data);
        }
      });
    }, 300);
  }
}

Elegantno