if (document.all) 
  { document.write("<link rel=stylesheet type=\"text/css\" href=\"style/msie.css\">"); }
else 
  { if (navigator.platform == "MacPPC")
	{
	var version = navigator.appVersion.substring(0,1);
	version = parseInt(version);
	if(version > 5)
	  {document.write("<link rel=stylesheet type=\"text/css\" href=\"style/msie.css\">");}
	else
	  {document.write("<link rel=stylesheet type=\"text/css\" href=\"style/ns.css\">");}
	}
	else
	{ 
	var version2 = navigator.appVersion.substring(0,1);
	version2 = parseInt(version2);
	if(version2 > 5)
	  {document.write("<link rel=stylesheet type=\"text/css\" href=\"style/msie.css\">");}
	else
	  {document.write("<link rel=stylesheet type=\"text/css\" href=\"style/ns.css\">");}
	}
  }