// Detect Client Browser type
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;

// JavaScript helper required to detect Flash Player PlugIn version information
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;
}

// If called with no parameters this function returns a floating point value 
// which should be the version of the Flash Player or 0.0 
// ex: Flash Player 6r65 returns 6.65
// If called with reqMajorVer, reqMinorVer this function returns true if that version or greater is installed
function DetectFlashVer(reqMajorVer, reqMinorVer) 
{
      reqVer = parseFloat(reqMajorVer + "." + reqMinorVer);
      // loop backwards through the versions until we find the newest version      
      for (i=15;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);
}
