m3 = new Image();
m3.src = "images/n_03.gif";
m4 = new Image();
m4.src = "images/n_04.gif";
m5 = new Image();
m5.src = "images/n_05.gif";
m6 = new Image();
m6.src = "images/n_06.gif";
m7 = new Image();
m7.src = "images/n_07.gif";
m8 = new Image();
m8.src = "images/n_08.gif";