Check if QuickTime is installed

// Returns 1 if quickTime is present and 0 if not
// It achieves this by trying to save a image as BMP which is only possible with quicktime installed
Function IsQuickTimeInstalled()

	variable err
	string errMsg
	
	// save current debugger state
	variable debuggerState, debugOnError, waveChecking
	DebuggerOptions
	debuggerState = V_enable
	debugOnError  = V_debugOnError
	waveChecking = V_NVAR_SVAR_WAVE_Checking
	// turn debugger off
	DebuggerOptions enable=0

	Make/FREE/N=(1,1) testImage
	NewPath/Q/O tempPath, SpecialDirPath("Temporary",0,0,0)

	err = GetRTError(0)
	ImageSave/P=tempPath/O testImage as "delete_me.bmp"
	errMsg = StringFromList(1,GetRTErrMessage())
	err = GetRTError(1)

	KillPath/Z tempPath

	// restore debugger state
	DebuggerOptions enable=debuggerState, debugOnError=debugOnError, NVAR_SVAR_WAVE_Checking=waveChecking

	if( err == 0 ) // quicktime found
		return 1
	else // err == 221 denotes that quicktime was not found, or other unknown error
		return 0
	endif
End