[x,y,but]=mouser;

%%%mouser  return the X and Y location of the mouse crosshair after a left click. Also return button state. 
%%but=1 means ledt click
%%but=3 means right click
%%Nagi Hatoum 3/2/03
function [x,y,but]=mouser;

but = 0;
n=0;
while 1
   [xi,yi,but] = ginput(1);
   if but==1
      n = n+1;
      x(n,1) = xi;
      y(n,1) = yi;
		break
   end
   if or(but==3,n==1);x=[];y=[];break;end
end