var img = new Array();  
img[101] = new Image();  img[101].src="images/menu1-1.gif";
img[102] = new Image();  img[102].src="images/menu1-2.gif";
img[103] = new Image();  img[103].src="images/menu2-1.gif";
img[104] = new Image();  img[104].src="images/menu2-2.gif";
img[105] = new Image();  img[105].src="images/menu3-1.gif";
img[106] = new Image();  img[106].src="images/menu3-2.gif";
img[107] = new Image();  img[107].src="images/menu4-1.gif";
img[108] = new Image();  img[108].src="images/menu4-2.gif";
img[109] = new Image();  img[109].src="images/menu5-1.gif";
img[110] = new Image();  img[110].src="images/menu5-2.gif";
img[111] = new Image();  img[111].src="images/menu6-1.gif";
img[112] = new Image();  img[112].src="images/menu6-2.gif";
img[113] = new Image();  img[113].src="images/menu7-1.gif";
img[114] = new Image();  img[114].src="images/menu7-2.gif";
img[115] = new Image();  img[115].src="images/menu9-1.gif";
img[116] = new Image();  img[116].src="images/menu9-2.gif";

img[120] = new Image();  img[120].src="images/bot1-1.gif";
img[121] = new Image();  img[121].src="images/bot1-2.gif";
img[122] = new Image();  img[122].src="images/bot2-1.gif";
img[123] = new Image();  img[123].src="images/bot2-2.gif";
img[124] = new Image();  img[124].src="images/bot3-1.gif";
img[125] = new Image();  img[125].src="images/bot3-2.gif";

img[131] = new Image();  img[131].src="images/cafe-bot1.gif";
img[132] = new Image();  img[132].src="images/cafe-bot2.gif";
img[133] = new Image();  img[133].src="images/rest-bot1.gif";
img[134] = new Image();  img[134].src="images/rest-bot2.gif";

function change_image(nam,num) {
        if(navigator.appVersion.charAt(0)>= 3) {
                document.images[nam].src = img[num].src;
        }
}