<!--
function browserInfo() {
    var lReplOK = false;
    var i = navigator.userAgent.toLowerCase().indexOf('msie');
    if (i != -1) {
        if (parseFloat(navigator.userAgent.substring(i+5,i+9)) >= 4) {
            lReplOK = true;
        }
    }              
    if (lReplOK == false) {
        i = navigator.userAgent.toLowerCase().indexOf('mozilla');
        if (i != -1) {
            if (parseFloat(navigator.userAgent.substring(i+8,i+12)) >= 3) {
                lReplOK = true;
            }
        }
    }
    if (lReplOK == false) {
        i = navigator.userAgent.toLowerCase().indexOf('opera');
        if (i != -1) {
            if (parseFloat(navigator.userAgent.substring(i+6,i+10)) >= 4) {
                lReplOK = true;
            }
        }
    }
    if (lReplOK == true) {
        this.canSwapImg = 1;
    } else {
        this.canSwapImg = 0;
    }
}
function InitImages() {
    if (oBrowser.canSwapImg == 1) {
        ln_on = new Image();
        ln_on.src = "/hnav/ln_en_on.gif";
        ln_off = new Image();
        ln_off.src = "/hnav/ln_en.gif";
        drugs_on = new Image();
        drugs_on.src = "/hnav/drugs_en_on.gif";
        drugs_off = new Image();
        drugs_off.src = "/hnav/drugs_en.gif";
        scart_on = new Image();
        scart_on.src = "/hnav/scart_en_on.gif";
        scart_off = new Image();
        scart_off.src = "/hnav/scart_en.gif";
    }
}
function ShowImageActive(selection) {
    if (oBrowser.canSwapImg == 1) {
        imgOn = eval(selection + "_on.src");
        document[selection].src = imgOn;
    }
}
function ShowImageInactive(selection) {
    if (oBrowser.canSwapImg == 1) {
        imgOff = eval(selection + "_off.src");
        document[selection].src = imgOff;
    }
}
oBrowser = new browserInfo();
InitImages();             
// -->