function toggleTabs(elementShow, elementHide, container, elementClicked){
    var container = document.getElementById(container);
    var tabs = container.getElementsByTagName("h4");
    var links = tabs[0].getElementsByTagName("a");

    for(i=0; i<links.length; i++){
        links[i].className = "pluck_unselected";
    }

    document.getElementById(elementHide).style.display = "none";
    document.getElementById(elementShow).style.display = "block";
    elementClicked.className = "pluck_selected";
}