A website not opening on my mobil mozilla firefox.

One website not opening on my mobil mozilla firefox. When i open it than it shows this message 'This content requires the adobe flash player.Get flash.' Than i click on that GET FLASH link but it shows this 'This content requires adobe flash playet which is not supported by your device.this content can be viewed on a destop computer or on a mobil device that support flash player.' My device is bit advance able to do many things how this website not working even on mozilla firefox i am shocked. Please help me. I tried mozilla plugins but still this site is not opening. Thanks Shabbu