var version = "n2";
if (navigator.userAgent.indexOf("Mozilla") == 0 && navigator.appVersion.substring(0, 1) >= 3)  version = "n3";
        else version = "n2";
if (version == "n3")         {
        btn1on = new Image;
        btn1on.src = "img/btn1On.png";
        btn2on = new Image;
        btn2on.src = "img/btn2On.png";
		btn3on = new Image;
        btn3on.src = "img/btn3On.png";
		btn4on = new Image;
        btn4on.src = "img/btn4On.png";
		btn5on = new Image;
        btn5on.src = "img/btn5On.png";
		btn6on = new Image;
        btn6on.src = "img/btn6On.png";
		btn7on = new Image;
        btn7on.src = "img/btn7On.png";
		btn8on = new Image;
        btn8on.src = "img/btn8On.png";
		btn9on = new Image;
        btn9on.src = "img/btn9On.png";
		btn99on = new Image;
        btn99on.src = "img/btn99On.png";
		
		btn10on = new Image;
        btn10on.src = "../img/banderaEsOn.jpg";
		btn11on = new Image;
        btn11on.src = "../img/banderaEnOn.jpg";
		btn12on = new Image;
        btn12on.src = "../img/banderaFrOn.jpg";

        btn1off = new Image;
        btn1off.src = "img/btn1Off.png";
        btn2off = new Image;
        btn2off.src = "img/btn2Off.png";
		btn3off = new Image;
        btn3off.src = "img/btn3Off.png";
		btn4off = new Image;
        btn4off.src = "img/btn4Off.png";
		btn5off = new Image;
        btn5off.src = "img/btn5Off.png";
		btn6off = new Image;
        btn6off.src = "img/btn6Off.png";
		btn7off = new Image;
        btn7off.src = "img/btn7Off.png";
		btn8off = new Image;
        btn8off.src = "img/btn8Off.png";
		btn9off = new Image;
        btn9off.src = "img/btn9Off.png";
		btn99off = new Image;
        btn99off.src = "img/btn99Off.png";
		
		btn10off = new Image;
        btn10off.src = "../img/banderaEsOff.jpg";
		btn11off = new Image;
        btn11off.src = "../img/banderaEnOff.jpg";
		btn12off = new Image;
        btn12off.src = "../img/banderaFrOff.jpg";
		          }
					 function img_act(imgName) {
        if (version == "n3") {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
        }
}
function img_inact(imgName) {
        if (version == "n3") {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
        }
}