function openwin(bfile,dir,m,n)
    {
arglist='toolbar=no,location=no,directories=no,status=no,menubar=0,scrollbars=auto,';
arglist+='titlebar=no,resizable=yes,width='+m+',channelmode=0,height='+n;
arglist+=',alwaysRaised=1,dependent=1';
url="/about_us/"+dir+"/"+bfile;

    OpenWindow=window.open(url, "bio", arglist);
          OpenWindow.focus();
          }