function getNameBrouser() {
 var ua = navigator.userAgent.toLowerCase();

 if (ua.indexOf("msie") != -1 && ua.indexOf("opera") == -1 && ua.indexOf("webtv") == -1) {
   return "msie"
 }

 if (ua.indexOf("opera") != -1) {
   return "opera"
 }

 if (ua.indexOf("gecko") != -1) {
   return "gecko";
 }

 if (ua.indexOf("safari") != -1) {
   return "safari";
 }

 if (ua.indexOf("konqueror") != -1) {
   return "konqueror";
 }
 return "unknown";
}