chgi1 = new Image();
bki1 = new Image();
chgi1.src = "images/csnf01.gif";
bki1.src = "images/csnf.gif";

chgi2 = new Image();
bki2 = new Image();
chgi2.src = "images/csmf01.gif";
bki2.src = "images/csmf.gif";

chgi3 = new Image();
bki3 = new Image();
chgi3.src = "images/cwat01.gif";
bki3.src = "images/cwat.gif";

chgi21 = new Image();
bki21 = new Image();
chgi21.src = "images/csmf101.gif";
bki21.src = "images/csmf1.gif";

chgi22 = new Image();
bki22 = new Image();
chgi22.src = "images/csmf201.gif";
bki22.src = "images/csmf2.gif";

chgi11 = new Image();
bki11 = new Image();
chgi11.src = "images/csnf101.gif";
bki11.src = "images/csnf1.gif";

chgi12 = new Image();
bki12= new Image();
chgi12.src = "images/csnf201.gif";
bki12.src = "images/csnf2.gif";

chgi13 = new Image();
bki13 = new Image();
chgi13.src = "images/csnf301.gif";
bki13.src = "images/csnf3.gif";

chgi14 = new Image();
bki14 = new Image();
chgi14.src = "images/csnf401.gif";
bki14.src = "images/csnf4.gif";

chgi31 = new Image();
bki31 = new Image();
chgi31.src = "images/cwat101.gif";
bki31.src = "images/cwat1.gif";

chgi32 = new Image();
bki32 = new Image();
chgi32.src = "images/cwat201.gif";
bki32.src = "images/cwat2.gif";