var vc;

function scc(oi)
{ vc="";
  setTimeout("m_hide(\""+oi+"\")",50)}

function m_hide(gi)
{  if(vc==gi||vc.indexOf(gi)!=-1)return;
   var o=document.getElementById(gi);
   o.style.visibility="hidden";}
   
function m_show(oi)
{ var o=document.getElementById(oi);
  o.style.visibility="visible";}