function Eingabefeld_W_Button(id, csh) {
      var div = document.getElementById(id);
      var input = div.getElementsByTagName('input')[0];
      var inputId = input.getAttribute('id');
      //var input = document.getElementById(inputId);
      var inputEingabefeld = new Eingabefeld(inputId, csh);
      var button = div.getElementsByTagName('button')[0];
      var timeout;
      button.style.display = 'none';

      this.focus_handler = function(e) {
        window.clearTimeout(timeout);
        button.style.display = 'block';
      }

      this.blur_handler = function(e) {
        timeout = window.setTimeout("document.getElementById('button_suchen').style.display = 'none'", 1000);
      }

      if (input.addEventListener) {
        input.addEventListener('focus', this.focus_handler.bindAsEventListener(this), false);
        input.addEventListener('blur', this.blur_handler.bindAsEventListener(this), false);
      } else {
        input.attachEvent('onfocus', this.focus_handler.bindAsEventListener(this), false);
        input.attachEvent('onblur', this.blur_handler.bindAsEventListener(this), false);
      }
    }