function toggleTabs(item){

    //reset classes
    var anchors = item.parentNode.getElementsByTagName("a");
    for (i = 0; i < anchors.length; i++) {
        anchors[i].className = "";
        
    }
    item.childNodes[0].className = "current";
    
    for (i = 1; i < arguments.length; i++) {
        container = document.getElementById(arguments[i]);
        if (container != null) 
            if (i == 1) 
                container.style.display = "block";
            else 
                container.style.display = "none";
    }
    
}