function [ ] = Vvarplot(axis,graph,varargin)
%USE ON STUCK BEAD DATA
%Input varargin in the form "data1,pwr1,data2,pwr2,..."
%graph input is either the string 'same' or the string 'diff'
%axis refers to whether you want to plot voltage in the x or y directions
    %for x direction input the string 'x'
    %for y direction input the string 'y'

%'same' means that the created plots will be shown in the same window, but
%serperate graphs
%'diff' means that the created plots will be shown on seperate windows

%When using 'same', you cannot input more than 4 datasets(change the
%subplot command if you want more)

for i = 2:2:length(varargin)
    pwr(i/2)=cell2mat(varargin(i)); 
end
col = 'rgbcmyk'; % The 'color' string: each letter specifies a unique color
                  % for the plot (i.e. col(5) = 'm' --> magenta)
hold on
for i = 1:2:length(varargin)
        if strcmp(graph,'diff')      %Use if you want graphs on seperate windows
            figure(i)
        elseif strcmp(graph,'same') %use above if you want seperate graphs on the same window
            subplot(2,2,(i+1)/2) 
        else
            disp('wrong input format')
        end
  
    %make the graphs
    data = cell2mat(varargin(i)); %Required statement to convert to matrix
        if strcmp(axis,'y')
            plot(data(:,1), data(:,3), col(mod((i-1)/2,7)+1));
        elseif strcmp(axis,'x')
            plot(data(:,1), data(:,2), col(mod((i-1)/2,7)+1)); 
        else
            disp('wrong input format')
        end
    ylabel('Voltage(Volts)')
    xlabel('Sample number')
    title('Voltage read from QPD while Scanning w/ the Optical Laser')
    legend(sprintf('Power = %5g',pwr((i+1)/2)))
end
end