var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
jsVersion = 1.1;

function JSGetSwfVer(i)
{
	if (navigator.plugins != null && navigator.plugins.length > 0)
	{
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"])
		{
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;

			descArray = flashDescription.split(" ");
			tempArrayMajor = descArray[2].split(".");
			versionMajor = tempArrayMajor[0];
			versionMinor = tempArrayMajor[1];

				if ( descArray[3] != "" )
				{
					tempArrayMinor = descArray[3].split("r");
				}
				else
				{
					tempArrayMinor = descArray[4].split("r");
				}

			versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
			flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		} 
		else 
		{
			flashVer = -1;
		}
	}
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;

	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;

	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;

	else
	{
		flashVer = -1;
	}

	return flashVer;
} 

function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) 
{
	reqVer = parseFloat(reqMajorVer + "." + reqRevision);

	for (i=25;i>0;i--)
	{	
		if (isIE && isWin && !isOpera)
		{
			versionStr = VBGetSwfVer(i);
		}
		else
		{
			versionStr = JSGetSwfVer(i);		
		}

		if (versionStr == -1 )
		{ 
			return false;
		}
		else if (versionStr != 0)
		{
			if(isIE && isWin && !isOpera)
			{
				tempArray = versionStr.split(" ");
				tempString = tempArray[1];
				versionArray = tempString .split(",");				
			}
			else
			{
				versionArray = versionStr.split(".");
			}
			versionMajor = versionArray[0];
			versionMinor = versionArray[1];
			versionRevision	= versionArray[2];
	
			versionString = versionMajor + "." + versionRevision;
			versionNum = parseFloat(versionString);

			if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) )
			{
				return true;
			}
			else
			{
				return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );	
			}
		}
	}	
}