function CheckIEVersion()
{
	var agt = navigator.userAgent.toLowerCase();
	
	var msieVerFirstChar = agt.indexOf("msie");
	if (msieVerFirstChar != -1)
	{
		var msieVerStart = msieVerFirstChar + 5;
		var msieVer = parseFloat(agt.substring(msieVerStart, msieVerStart+8));
		return (msieVer >= 6.0);
	}

	var tridentVerFirstChar = agt.indexOf("trident/");
	if (tridentVerFirstChar != -1)
	{
		var tridentVerStart = tridentVerFirstChar + 8;
		var tridentVer = parseFloat(agt.substring(tridentVerStart, tridentVerStart+8));
		return (tridentVer >= 7.0);
	}
	
	return false;
}

function CheckControls(path)
{
	if (!path)
		path="";

	try
	{
		var url = document.URL;
		var lastIdx = url.lastIndexOf("/");
		url = url.substr(0, lastIdx);
		var codebase = url.concat("/download/IkmControlDownloader.dll.gz");
		var icd = new ActiveXObject("IkmControlDownloader.Control");
		if (!icd)
			return false;

		var status = icd.UpgradeInPlace("25.4.0.40",codebase);
		if (status != 0)
		{
			// alert("Control downloader replace fails with " + status);
			return false;
		}

		if (icd.CreateLatest().Version != icd.Version)
			return false;

		var xml = new ActiveXObject("MSXML2.DOMDOCUMENT.6.0");
		xml.setProperty("AllowXsltScript", true);
		xml.resolveExternals = true;
		xml.async = false;
		xml.load(path + "download/controls.aspx");
		icd.LoadXml(xml.documentElement);
		return icd.Check();
		
	}
	catch (e)
	{
		return false;
	}
}