var IE6   = (navigator.appVersion.indexOf('MSIE 6.0') >= 0 ) ? 1 : 0;
  var IE7   = (navigator.appVersion.indexOf('MSIE 7.0') >= 0 ) ? 1 : 0;
  var sLoc  = ( document.URL.indexOf('about') >= 0 || document.URL.indexOf('products') >= 0 ) ? ".." : ".";
  var cssFile = "";
  if( IE6 )
    cssFile = '/css/styles_ie6.css';
  else if( IE7 )
    cssFile = '/css/styles_ie7.css';
  else{
    cssFile = '/css/styles.css';
	var v = document.body.offsetHeight;
  }

  document.write('<link rel="stylesheet" type="text/css" media="screen" href="');
  document.write(sLoc + cssFile + '" />');