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 );
					}
			}	
		return (reqVer ? false : 0.0);
	}