//<script language="JavaScript">
function show_hide_menu(i){
   var status=document.getElementById('menublock_'+i).style.display=='none'?1:0;
   document.getElementById('menublock_'+i).style.display=status==1?'':'none';
   document.getElementById('menu_switch_'+i).src=document.getElementById('menublock_'+i).style.display=='none'?'/templates/default/images/plus.gif':'/templates/default/images/minus.gif';
   document.cookie = 'left_menu_'+i+'='+status+';';
   return false;
  }
//<sript>