/**
 * Magento Enterprise Edition
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Magento Enterprise Edition License
 * that is bundled with this package in the file LICENSE_EE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.magentocommerce.com/license/enterprise-edition
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Varien
 * @package     js
 * @copyright   Copyright (c) 2010 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://www.magentocommerce.com/license/enterprise-edition
 */

/**
 * @classDescription simple Navigation with replacing old handlers
 * @param {String} id id of ul element with navigation lists
 * @param {Object} settings object with settings
 */
var mainNav = function() {
var main = {
obj_nav :   $(arguments[0]) || $("nav"),
settings :  {
show_delay      :   0,
hide_delay      :   0,
_ie6            :   /MSIE 6.+Win/.test(navigator.userAgent),
_ie7            :   /MSIE 7.+Win/.test(navigator.userAgent)
},
init :  function(obj, level) {
obj.lists = obj.childElements();
obj.lists.each(function(el,ind){
main.handlNavElement(el);
if((main.settings._ie6 || main.settings._ie7) && level){
main.ieFixZIndex(el, ind, obj.lists.size());
}
});
if(main.settings._ie6 && !level){
document.execCommand("BackgroundImageCache", false, true);
}
},
handlNavElement :   function(list) {
if(list !== undefined){
list.onmouseover = function(){
main.fireNavEvent(this,true);
};
list.onmouseout = function(){
main.fireNavEvent(this,false);
};
if(list.down("ul")){
main.init(list.down("ul"), true);
}
}
},
ieFixZIndex : function(el, i, l) {
if(el.tagName.toString().toLowerCase().indexOf("iframe") == -1){
el.style.zIndex = l - i;
} else {
el.onmouseover = "null";
el.onmouseout = "null";
}
},
fireNavEvent :  function(elm,ev) {
if(ev){
elm.addClassName("over");
elm.down("a").addClassName("over");
if (elm.childElements()[1]) {
main.show(elm.childElements()[1]);
}
} else {
elm.removeClassName("over");
elm.down("a").removeClassName("over");
if (elm.childElements()[1]) {
main.hide(elm.childElements()[1]);
}
}
},
show : function (sub_elm) {
if (sub_elm.hide_time_id) {
clearTimeout(sub_elm.hide_time_id);
}
sub_elm.show_time_id = setTimeout(function() {
if (!sub_elm.hasClassName("shown-sub")) {
sub_elm.addClassName("shown-sub");
}
}, main.settings.show_delay);
},
hide : function (sub_elm) {
if (sub_elm.show_time_id) {
clearTimeout(sub_elm.show_time_id);
}
sub_elm.hide_time_id = setTimeout(function(){
if (sub_elm.hasClassName("shown-sub")) {
sub_elm.removeClassName("shown-sub");
}
}, main.settings.hide_delay);
}
};
if (arguments[1]) {
main.settings = Object.extend(main.settings, arguments[1]);
}
if (main.obj_nav) {
main.init(main.obj_nav, false);
}
};

document.observe("dom:loaded", function() {
//run navigation without delays and with default id="#nav"
//mainNav();
//run navigation with delays
mainNav("nav", {"show_delay":"100","hide_delay":"100"});
});