function show_men(id) {

document.getElementById('men2_start').style.display='none';
document.getElementById('men2_item').style.display='none';
document.getElementById('men2_friends').style.display='none';
document.getElementById('men2_messages').style.display='none';
document.getElementById('men2_groups').style.display='none';
document.getElementById('men1_start').className='menu1_item short';
document.getElementById('men1_item').className='menu1_item short';
document.getElementById('men1_friends').className='menu1_item long';
document.getElementById('men1_messages').className='menu1_item long';
document.getElementById('men1_groups').className='menu1_item long';

switch (id) {

case 'men_start':
  document.getElementById('men2_start').style.display='block';
  document.getElementById('men1_start').className='menu1_item_activated short';
  break;

case "men_item":
  document.getElementById('men2_item').style.display='block';
  document.getElementById('men1_item').className='menu1_item_activated short';
  break;
case "men_friends":
  document.getElementById('men2_friends').style.display='block';
  document.getElementById('men1_friends').className='menu1_item_activated long';
  break;
case "men_messages":
  document.getElementById('men2_messages').style.display='block';
  document.getElementById('men1_messages').className='menu1_item_activated long';
  break;
case "men_groups":
  document.getElementById('men2_groups').style.display='block';
  document.getElementById('men1_groups').className='menu1_item_activated long';
  break;
  
}

}


function load() {

  //alert('url:'+document.location.href);
  if ((document.location.href.indexOf("user/list_c") != -1) || (document.location.href.indexOf("user/list_c_pending") != -1) || (document.location.href.indexOf("user/invite_form") != -1) || (document.location.href.indexOf("user/invite_form") != -1) || (document.location.href.indexOf("user/delete_c") != -1) || (document.location.href.indexOf("user/list_c_to_accept") != -1)) {
    show_men('men_friends');
  } else {
	  if ((document.location.href.indexOf("message/list") != -1) || (document.location.href.indexOf("message/list_sent") != -1 ) || (document.location.href.indexOf("message/show") != -1 ) || (document.location.href.indexOf("message/create") != -1 )) {
	    show_men('men_messages');
	  } else {
	      if ((document.location.href.indexOf("group/list") != -1) || (document.location.href.indexOf("group/create") != -1 ) || (document.location.href.indexOf("group/show_groups") != -1 ) || (document.location.href.indexOf("group/search") != -1 ) || (document.location.href.indexOf("group/listsome") != -1 ) || (document.location.href.indexOf("group/request") != -1 ) || (document.location.href.indexOf("group/search_result") != -1 ) || (document.location.href.indexOf("group/show") != -1 )) {
	        show_men('men_groups');
	      } else {
		      if ((document.location.href.indexOf("item/listmine") != -1) || (document.location.href.indexOf("item/listavailable") != -1) || (document.location.href.indexOf("item/search") != -1) || (document.location.href.indexOf("item/show") != -1) || (document.location.href.indexOf("item/list_lend_self") != -1) || (document.location.href.indexOf("item/list_requests") != -1) || (document.location.href.indexOf("item/create") != -1)) {
		        show_men('men_item');
		      } else {
		            show_men('men_start');
		      }
	      }
	  }
  }
}