if(document.images) 
{    
  mn_news_on = new Image;
  mn_news_on.src = 'fileadmin/templates/img/mn_news_on.jpg';
  mn_news_off = new Image;
  mn_news_off.src = 'fileadmin/templates/img/mn_news_off.jpg';     

  mn_serviceplus_on = new Image;
  mn_serviceplus_on.src = 'fileadmin/templates/img/mn_serviceplus_on.jpg';
  mn_serviceplus_off = new Image;
  mn_serviceplus_off.src = 'fileadmin/templates/img/mn_serviceplus_off.jpg';     

  mn_planengestalten_on = new Image;
  mn_planengestalten_on.src = 'fileadmin/templates/img/mn_planengestalten_on.jpg';
  mn_planengestalten_off = new Image;
  mn_planengestalten_off.src = 'fileadmin/templates/img/mn_planengestalten_off.jpg';     

  mn_objektdatenbank_on = new Image;
  mn_objektdatenbank_on.src = 'fileadmin/templates/img/mn_objektdatenbank_on.jpg';
  mn_objektdatenbank_off = new Image;
  mn_objektdatenbank_off.src = 'fileadmin/templates/img/mn_objektdatenbank_off.jpg';     

  mn_lithonplus_on = new Image;
  mn_lithonplus_on.src = 'fileadmin/templates/img/mn_lithonplus_on.jpg';
  mn_lithonplus_off = new Image;
  mn_lithonplus_off.src = 'fileadmin/templates/img/mn_lithonplus_off.jpg';     

  mn_kontakt_on = new Image;
  mn_kontakt_on.src = 'fileadmin/templates/img/mn_kontakt_on.jpg';
  mn_kontakt_off = new Image;
  mn_kontakt_off.src = 'fileadmin/templates/img/mn_kontakt_off.jpg';     

  obj_db_res_item_data_on = new Image;
  obj_db_res_item_data_on.src = 'fileadmin/templates/img/obj_db_res_item_data_on.gif';
  obj_db_res_item_data_off = new Image;
  obj_db_res_item_data_off.src = 'fileadmin/templates/img/obj_db_res_item_data_off.gif';     

  obj_db_res_item_object_on = new Image;
  obj_db_res_item_object_on.src = 'fileadmin/templates/img/obj_db_res_item_object_on.gif';
  obj_db_res_item_object_off = new Image;
  obj_db_res_item_object_off.src = 'fileadmin/templates/img/obj_db_res_item_object_off.gif';     

  obj_db_res_item_report_on = new Image;
  obj_db_res_item_report_on.src = 'fileadmin/templates/img/obj_db_res_item_report_on.gif';
  obj_db_res_item_report_off = new Image;
  obj_db_res_item_report_off.src = 'fileadmin/templates/img/obj_db_res_item_report_off.gif';     

}

function imgAct(img_name)
{
  if(document.images) {
    img_on = eval(img_name + '_on.src');      
	  document.getElementById(img_name).src = img_on;
  }
}

function imgInact(img_name)
{
  if(document.images) {
    img_off = eval(img_name + '_off.src');          
    document.getElementById(img_name).src = img_off;
  }
}