function action() {
    document.getElementById('info').style.display = 'none';
    var searchText = document.getElementById('q').value;
    if(!searchText || searchText.replace(/^\s\s*/, '').replace(/\s\s*$/, '').length < 1) {
        alert('Вы ничего не ввели');
        document.getElementById('q').value = '';
        return;
    }





document.getElementById('sgif').style.display = '';




    if (searchText.toLowerCase().indexOf('скачать') > -1){
        searchText = searchText.replace('скачать', '');
        searchText = searchText.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
    }

$.post(
  'ajaxtest.php',
  {
    param1: "param1"

  },
  onAjaxSuccess
);
function onAjaxSuccess(data)
{

    document.getElementById('sgif').style.display = 'none';
  document.getElementById('info').style.display = '';


    document.getElementById('nameField').innerHTML = searchText + '.' + file;


    document.getElementById('typeField').innerHTML = type_of_doc;


    document.getElementById('sizeField').innerHTML = Math.floor(Math.random() * (max - min + 1)) + min  +  ' Kb';


    document.getElementById('dateField').innerHTML = new Date(2010, Math.floor(6*Math.random()), Math.floor(30*Math.random())).toLocaleDateString();


    document.getElementById('linkField').href = resurs + searchText;
}




}