function openGraph(url, type)
{
   if(type == "big")
     newWin = window.open(url,'gra','resizable=yes,scrollbars=no,status=yes,toolbar=no,menubar=no,location=no,width=927,height=642');
   else if(type == "small")
     newWin = window.open(url,'small','resizable=yes,scrollbars=yes,menubar=yes,width=400,height=225,alwaysRaised=yes');
   else
     newWin = window.open(url,'big','resizable=yes,scrollbars=yes,status=yes,toolbar=yes,menubar=yes,location=yes,width=800,height=550');

   newWin.opener = self;
   newWin.focus();
}