browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
        
        if (browser) {

        toc1on = new Image();
        toc1on.src = "http://www.orhanholding.com/img/a_m1on.gif";
        toc2on = new Image();
        toc2on.src = "http://www.orhanholding.com/img/a_m2on.gif";
        toc3on = new Image();
        toc3on.src = "http://www.orhanholding.com/img/a_m3on.gif";
        toc4on = new Image();
        toc4on.src = "http://www.orhanholding.com/img/a_m4on.gif";
        toc5on = new Image();
        toc5on.src = "http://www.orhanholding.com/img/a_m5on.gif";
        toc6on = new Image();
        toc6on.src = "http://www.orhanholding.com/img/a_m6on.gif";
        toc7on = new Image();
        toc7on.src = "http://www.orhanholding.com/img/a_m7on.gif";
        toc8on = new Image();
        toc8on.src = "http://www.orhanholding.com/img/a_m8on.gif";

        toc1off = new Image();
        toc1off.src = "http://www.orhanholding.com/img/a_m1off.gif";
        toc2off = new Image();
        toc2off.src = "http://www.orhanholding.com/img/a_m2off.gif";
        toc3off = new Image();
        toc3off.src = "http://www.orhanholding.com/img/a_m3off.gif";
        toc4off = new Image();
        toc4off.src = "http://www.orhanholding.com/img/a_m4off.gif";
        toc5off = new Image();
        toc5off.src = "http://www.orhanholding.com/img/a_m5off.gif";
        toc6off = new Image();
        toc6off.src = "http://www.orhanholding.com/img/a_m6off.gif";
        toc7off = new Image();
        toc7off.src = "http://www.orhanholding.com/img/a_m7off.gif";
        toc8off = new Image();
        toc8off.src = "http://www.orhanholding.com/img/a_m8off.gif";
        }

function img_act(imgName) {
        if (browser) {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
        }
}

function img_inact(imgName) {
        if (browser) {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
        }
}