// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

// Borrowed from http://www.dustindiaz.com/dhtml-expand-and-collapse-div-menu/ -- 
//Author Dustin Diaz

function switchMenu(obj) {
    var el          = document.getElementById(obj);
    var el_expand   = document.getElementById(obj + "_expand");
    var el_collapse = document.getElementById(obj + "_collapse");
    hideDisplay(el);
    hideDisplay(el_expand);
    hideDisplay(el_collapse);
}

function hideDisplay(el) {
    if ( el.style.display != 'none' ) {
        el.style.display = 'none';
    }
    else {
        el.style.display = '';
    }
}