<form class="navbar-form navbar-left search" action="search.php?do=process" method="post" role="search">
            <input type="hidden" name="do" value="process" />
            <input type="hidden" name="quicksearch" value="1" />
            <input type="hidden" name="childforums" value="1" />
            <input type="hidden" name="exactname" value="1" />
            <input type="hidden" name="s" value="" />
            <input type="hidden" name="securitytoken" value="guest" />
            <div class="form-group">
                <input type="text" class="form-control" name="query" tabindex="1001" placeholder="كلمة البحث">
            </div>
            <button type="submit" class="btn btn-default" tabindex="1004">بحث</button>
          </form>

<input type="text" class="form-control" name="query" tabindex="1001" placeholder="كلمة البحث">