function MultiSelector(list_target, max) { 
  this.list_target = list_target;
  this.count = 0;
  this.id = 0;
  if (max) {
    this.max = max;
  }
    else {
    this.max = -1;
  };
  this.addElement = function(element) { 
    if (element.tagName == 'INPUT' && element.type == 'file') {
      element.name = 'filen' + this.id++;
      element.multi_selector = this;
      element.onchange = function() {
        var new_element = document.createElement('input');
        new_element.type = 'file';
        this.parentNode.insertBefore(new_element, this);
        this.multi_selector.addElement(new_element);
        this.multi_selector.addListRow(this);
        this.style.visibility = 'hidden';
        this.style.position = 'absolute';
        this.style.left = '-1000px';
      };
      if (this.max != -1 && this.count >= this.max) {
        element.disabled = true;
      };
      this.count++;
      this.current_element = element;
    }
    else {
      alert('Hata: dosya elemanı değil !');
    };
  };
  this.addListRow = function(element) { 
    var new_row = document.createElement('div');
    var new_row_button = document.createElement('input');
    new_row_button.type = 'button';
    new_row_button.value = ' Sil ';
    new_row_button.style.fontSize = '12';
    new_row.element = element;
    new_row_button.onclick = function() { 
      this.parentNode.element.parentNode.removeChild(this.parentNode.element);
      this.parentNode.parentNode.removeChild(this.parentNode);
      this.parentNode.element.multi_selector.count--;
      this.parentNode.element.multi_selector.current_element.disabled = false;
      return false;
    };
    new_row.innerHTML = element.value;
    new_row.appendChild(new_row_button);
    this.list_target.appendChild(new_row);
  };
};