case 1:

					vid_infile.open("Video.txt");

					Video* NewVideo;
                    cout<<"\tPlease enter details of Video to be added: "<<endl;
					cin.getline(buffer,100);
					cout<<"\tEnter Title: ";
					cin.getline(buffer,100);
					vidtitle = buffer;

					cout<<"\tEnter Producer: ";
					cin.getline(buffer,100);
					producer = buffer;

					cout<<"\tProduction Year: ";
					cin>>prodyear;

					cout<<"\t Video ID: ";
					cin>>id;

					cout<<"\tEnter Stock: ";
					cin >> keyEntered;
					vidstock = validateStockInput(keyEntered);


int validateStockInput(char input)  //validate input on menu selection (integer required)
	  {
        char keyEntered = '1';
		const char *charPtr = &keyEntered;
		char *remainderPtr;

		int stock;

		keyEntered = input;

        /*Error handling on menu selection input*/
		 while(!isdigit(keyEntered)) //while key entered is an alpha character
			{
				cerr<<"\n\tInvalid Input! You entered a non-integer."<<endl;
				cout<<"\n\tPlease enter an INTEGER for stock amount:";
				cin>>keyEntered;
			}
		stock = strtol(charPtr,&remainderPtr, 0); // convert char to int
		return stock;

	} //end validateMenuInput;