var plat = navigator.platform
var bName = navigator.appName
var bVer = parseInt(navigator.appVersion);
if ((bVer <= 3) && (bName=="Netscape" || "Microsoft Internet Explorer")){
alert("You are using " + bName + " " + bVer + ". Vinsamlegast uppfęršu vafrann žinn til aš skoša vefinn okkar.");
} else{
if ((plat=="Win32") && (bName=="Microsoft Internet Explorer"))
 {
 document.write("<LINK REL=stylesheet TYPE='text/css' HREF='../htmlpages/style.css'>");
  }
 else if ((plat=="Win32") && (bName=="Netscape"))
  {
document.write("<LINK REL=stylesheet TYPE='text/css' HREF='../htmlpages/style.css'>");
  }
 else if ((plat=="MacPPC") && (bName=="Netscape"))
  {
  document.write("<LINK REL=stylesheet TYPE='text/css' HREF='../htmlpages/style.css'>");
  } 
 else if ((plat=="MacPPC") && (bName=="Microsoft Internet Explorer"))
  {
  document.write("<LINK REL=stylesheet TYPE='text/css' HREF='../htmlpages/style.css'>");
  }
  }