var version = 6;
var flashIE = false;
var flashNN = false;
var clientVersion = 0;
var msie = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var win = (navigator.appVersion.indexOf("Windows") != -1) ? true : false;

var ie = '' +
'<script language=VBScript>\n' +
'on error resume next\n' +
'flashIE = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.6")))\n' +
'</script>';

if (msie && win){
	document.write(ie);
	if (!flashIE) window.location = "noflash.htm";
}else if (navigator.plugins["Shockwave Flash"]){
	flashNN = navigator.plugins["Shockwave Flash"].description;
	clientVersion = flashNN.substring(flashNN.indexOf(".")-1, flashNN.indexOf("."));
	if (clientVersion < version) window.location = "noflash.htm";
}