var isNav4 = false;
var isNav6 = false;

var brAppVersion = parseInt(navigator.appVersion);

if (brAppVersion >= 4 && brAppVersion < 5 && navigator.appName == "Netscape") {
	isNav4 = true
}
else if ( brAppVersion >= 5 && navigator.appName == "Netscape") {
    isNav6 = true
}


function removeOptions(selem) {
    var innerSize = selem.options.length;
    for (var i=innerSize-1; i+1 ; i--) {
        if ( isNav4 || isNav6 ) {
            selem.options[i] = null;
        }
        else {
            selem.options.remove(i);
        }
    }
}

function removeOption(selem) {
    if(selem.selectedIndex < 0) return;
    if ( isNav4 || isNav6 ) {
        selem.options[selem.selectedIndex] = null;
    }
    else {
        selem.options.remove(selem.selectedIndex);
    }
}

function createOption(_element, _text, _value) {
    if (isNav4 || isNav6) {
        _element.options[_element.options.length] = new Option(_text, _value, false, false);
    }
    else {
        var newElem = document.createElement("OPTION")
        newElem.text = _text
        newElem.value = _value
        _element.options.add(newElem)
    }
}

function y(x) { return x.replace(/\*/g, ".") }
function a(b,c,d) { document.write(y(c) + "&#64;" + y(b)); }