var iE6OrHigher = (document.getElementById && document.all && ( navigator.appVersion.indexOf("MSIE 6.")!=-1 || navigator.appVersion.indexOf("MSIE 7.")!=-1) ) ? true : false
var newIE = (document.getElementById && document.all) ? true : false
var mozilla = (navigator.appCodeName.indexOf("Mozilla")!=-1) ? true : false
var w3c = (document.getElementById) ? true : false
var oldNS = (document.layers) ? true : false
var oldIE = (document.all) ? true : false

function getBrowser() {
   if(iE6OrHigher) {
      return "iE6OrHigher";
   } else if(newIE) {
      return "newIE";
   } else if(mozilla) {
      return "mozilla";
   } else if(w3c) {
      return "w3c";
   } else if(oldNS) {
      return "oldNS";
   } else if(oldIE) {
      return "oldIE";
   }
}