pic1= new Image(25,25); 
  pic1.src="img/alpha-0-over.gif"; 

  pic2= new Image(25,25); 
  pic2.src="img/alpha-A-over.gif"; 

  pic3= new Image(25,25); 
  pic3.src="img/alpha-B-over.gif"; 
  
  pic4= new Image(25,25); 
  pic4.src="img/alpha-C-over.gif"; 
  
  pic5= new Image(25,25); 
  pic5.src="img/alpha-D-over.gif";   
  
  pic6= new Image(25,25); 
  pic6.src="img/alpha-E-over.gif";     

  pic7= new Image(25,25); 
  pic7.src="img/alpha-F-over.gif";     

  pic8= new Image(25,25); 
  pic8.src="img/alpha-G-over.gif";     

  pic9= new Image(25,25); 
  pic9.src="img/alpha-H-over.gif";     

  pic10= new Image(25,25); 
  pic10.src="img/alpha-I-over.gif";     

  pic11= new Image(25,25); 
  pic11.src="img/alpha-J-over.gif";     

  pic12= new Image(25,25); 
  pic12.src="img/alpha-K-over.gif";     

  pic13= new Image(25,25); 
  pic13.src="img/alpha-L-over.gif";     

  pic14= new Image(25,25); 
  pic14.src="img/alpha-M-over.gif";     

  pic15= new Image(25,25); 
  pic15.src="img/alpha-N-over.gif";     

  pic16= new Image(25,25); 
  pic16.src="img/alpha-O-over.gif";     

  pic17= new Image(25,25); 
  pic17.src="img/alpha-P-over.gif";     

  pic18= new Image(25,25); 
  pic18.src="img/alpha-Q-over.gif";     

  pic19= new Image(25,25); 
  pic19.src="img/alpha-R-over.gif";     

  pic20= new Image(25,25); 
  pic20.src="img/alpha-S-over.gif";     

  pic21= new Image(25,25); 
  pic21.src="img/alpha-T-over.gif";     

  pic22= new Image(25,25); 
  pic22.src="img/alpha-U-over.gif";     

  pic23= new Image(25,25); 
  pic23.src="img/alpha-V-over.gif";     

  pic24= new Image(25,25); 
  pic24.src="img/alpha-W-over.gif";     

  pic25= new Image(25,25); 
  pic25.src="img/alpha-X-over.gif";     

  pic26= new Image(25,25); 
  pic26.src="img/alpha-Y-over.gif";     

  pic27= new Image(25,25); 
  pic27.src="img/alpha-Z-over.gif";