function SwapMenu(id){var obj=document.getElementById("mid"+id);if(obj!=null){obj.style.display=obj.style.display=="none"?"inline":"none";}}
function SwapMenuPID(id){var spn=document.getElementById("pid"+id);if(spn!=null){var obj=document.getElementById("mid"+id);if(obj!=null){obj.style.display="inline";}
var pid=spn.innerHTML
if(pid>0){obj=document.getElementById("mid"+pid);if(obj!=null){obj.style.display="inline";SwapMenuPID(pid);}}}}