var agt=navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();
var is_minor = parseFloat(appVer);
var is_major = parseInt(is_minor);
var iePos  = appVer.indexOf('msie');
if (iePos !=-1) {
	is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)))
	is_major = parseInt(is_minor);}
var is_opera = (agt.indexOf("opera") != -1);
var is_konq = false;
var kqPos   = agt.indexOf('konqueror');
if (kqPos !=-1) {
	is_konq  = true;}
var is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
var is_khtml  = (is_safari || is_konq);
var is_moz   = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
		(agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
		(agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
		((navigator.vendor=="")||(navigator.vendor=="Mozilla")));
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
		&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
		&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)
		&& (!is_khtml) && (!(is_moz)));
var is_nav5up = (is_nav && is_minor >= 5);
var is_ie   = ((iePos!=-1) && (!is_opera) && (!is_khtml));
var is_ie4   = (is_ie && is_major == 4);
var is_ie4up = (is_ie && is_minor >= 4);
var is_ie5up = (is_ie && is_minor >= 5);
var is_ie5_5up =(is_ie && is_minor >= 5.5);
var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
var is_mac    = (agt.indexOf("mac")!=-1);
if (is_mac) { is_win = !is_mac; }
var is_Flash        = false;
var is_FlashVersion = 0;
if ((is_nav||is_opera||is_moz)||is_safari||(is_mac&&is_ie5up)) {
var plugin = (navigator.mimeTypes &&
              navigator.mimeTypes["application/x-shockwave-flash"] &&
              navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin) ?
              navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;
if (plugin) {
   is_Flash = true;
   is_FlashVersion = parseInt(plugin.description.substring(plugin.description.indexOf(".")-1));}}
if (is_win&&is_ie4up){
      document.write(
         '<scr' + 'ipt language=VBScript>' + '\n' +
         'Dim hasPlayer, playerversion' + '\n' +
         'hasPlayer = false' + '\n' +
         'playerversion = 10' + '\n' +
         'Do While playerversion > 0' + '\n' +
            'On Error Resume Next' + '\n' +
            'hasPlayer = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash." & playerversion)))' + '\n' +
            'If hasPlayer = true Then Exit Do' + '\n' +
            'playerversion = playerversion - 1' + '\n' +
         'Loop' + '\n' +
         'is_FlashVersion = playerversion' + '\n' +
         'is_Flash = hasPlayer' + '\n' +
         '<\/sc' + 'ript>'
      );}
var isBestClient =  false;
if (is_ie5_5up&&(is_FlashVersion >=6)) {
	isBestClient = true;}

var isBestClientFlash =  false;
if (is_FlashVersion >=6) {
	isBestClientFlash = true;}