pic1= new Image(8,8); 
pic1.src="images/top.gif"; 
pic2= new Image(8,8); 
pic2.src="images/bot.gif"; 
pic3= new Image(6,6); 
pic3.src="images/lt.gif"; 
pic4= new Image(6,6); 
pic4.src="images/rt.gif"; 
pic5= new Image(6,6); 
pic5.src="images/lb.gif"; 
pic6= new Image(6,6); 
pic6.src="images/rb.gif";