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;


function JSGetSwfVer(i){

	  // NS/Opera version >= 3 check for Flash plugin in plugin array
	  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];
				  if ( descArray[3] != "" ) {
						tempArrayMinor = descArray[3].split("r");
				  } else {
						tempArrayMinor = descArray[4].split("r");
				  }
						versionMinor = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
						flashVer = parseFloat(versionMajor + "." + versionMinor);
			} else {
				  flashVer = -1;
			}
	  }

		// MSN/WebTV 2.6 supports Flash 4
	  else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
		// WebTV 2.5 supports Flash 3
	  else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
		// older WebTV supports Flash 2
	  else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
		 // Can't detect in all other cases
	  else {
		flashVer = -1;
	  }
	  return flashVer;
}


function DetectFlashVer(reqMajorVer, reqMinorVer)
{

	 reqVer = parseFloat(reqMajorVer + "." + reqMinorVer);
	 // loop backwards through the versions until we find the newest version
	 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(",");

				versionMajor = versionArray[0];
				versionMinor   = versionArray[2];

				versionString = versionMajor + "." + versionMinor;
				versionNum = parseFloat(versionString);
			} else {
				versionNum = versionStr;
			}

			return (versionNum >= reqVer ? true : false );
		}
	}

	return (reqVer ? false : 0.0);
}