slideMenu.Registry = [];

function slideMenu(id,numLines) {
    slideMenu.Registry[id] = [];
    slideMenu.Registry[id]['containerObj'] = document.getElementById(id+"Container");
    slideMenu.Registry[id]['contentObj']   = document.getElementById(id+"Content");

    slideMenu.Registry[id]['contentObj'].style.display = 'none';
    slideMenu.Registry[id]['contentObj'].style.height  = 'auto';

    // slide down events
    slideMenu.Registry[id]['containerObj'].onmouseover = function() {
        document.getElementById(id).src = "images/s_pam_nav_" + id + "_.gif";  slideMenu.showMenu(id); }
    slideMenu.Registry[id]['containerObj'].onfocus     = function() {
        slideMenu.showMenu(id);  }

    // slide up events
    slideMenu.Registry[id]['containerObj'].onmouseout  = function() {
        document.getElementById(id).src = "images/s_pam_nav_" + id + ".gif"; slideMenu.hideMenu(id); }
    slideMenu.Registry[id]['containerObj'].onblur      = function() {
        slideMenu.hideMenu(id); }
}

slideMenu.showMenu = function(id) {

    slideMenu.Registry[id]['contentObj'].style.display = 'block';
    slideMenu.Registry[id]['contentObj'].style.zIndex += 10;

}

slideMenu.hideMenu = function(id) {

    slideMenu.Registry[id]['contentObj'].style.display = 'none';
    slideMenu.Registry[id]['contentObj'].style.zIndex = 10;

}