if (parent.frames.length <= 1)  
  top.location.replace('default.asp?url='+self.location.pathname + self.location.search);

document.write ('<link rel="stylesheet" type="text/css" href="main_');
if (!parent || !(parent.mode))
  document.write ('t');
else
  document.write (parent.mode);
document.write ('.css">');