JAVA > Script > swap value between list

onClick='fncManageList(document.all.testlist, document.all.packagelist)'

function fncManageList(obj1, obj2){
    for (var i=0; i        if (obj1.options[i].selected == true){
            var text = obj1.options[i].text;
            var value = obj1.options[i].value;
            obj2.options[obj2.options.length] = new Option(text, value);
        }
    }
    for (var i=obj1.length-1; i>=0; i--){
        if (obj1.options[i].selected == true){
            obj1.remove(i);
        }
    }

    fncSumTestPrice();
}