/*
  Function BrOS determines which stylesheet to apply based on
  browser/operating system combination.
*/
function BrOS()
{
/*
  Variable obs_brow == true if the current brower seems obsolete.
*/
  var obs_brow=( (navigator.appVersion.charAt(0) < 4) ||
         ((navigator.appName.indexOf('Netscape') < 0) &&
          (navigator.appName.indexOf('Microsoft Internet Explorer') < 0)
         )
       )
  if (obs_brow)
  {
    this.brower = null;
    this.os = null;
    return this;
  }
  this.brower = (navigator.appName.indexOf('Microsoft') > -1) ? 'ie' : 'ns';
  this.os = (navigator.platform.indexOf('Mac') > -1) ? 'mac' : 'win';
  return this;
}
var bros=new BrOS();
document.write('<LINK HREF="http://www.micropress-inc.com/css/' + bros.os + '_' + bros.brower +
'.css" REL="styleSheet" TYPE="text/css">');