/**************************************************************
 * <p>网站公用JavaScript Document</p>
 * 数据持久的一些js方法，主要是数据有效的验证和页面控制等
 * @Author: www.fox2046.com. Zhang
 **************************************************************/

/* 导航菜单 */
function iboxActive(id, key, num, max) {
	var menu = document.getElementById(id + "menu");
	(menu.getElementsByTagName("INPUT")[0]||{}).value = key;
	var main = menu.parentNode;
	var applyfilter;
	var menudivs = menu.getElementsByTagName("DIV");
	for (var i = 0; i < menudivs.length; i ++) {
		menudivs[i].className = id+"menuoff";
		(menudivs[i].getElementsByTagName("A")[0]||{}).className = "";
	}
	menudivs[num].className = id+"menuon"+(num % max);
	(menudivs[num].getElementsByTagName("A")[0]||{}).className = "active";
	try {
		applyfilter = main.filters && main.filters[0];
		if (applyfilter) {
			main.filters[0].apply();
		}
	} catch(e) {}

	var parent = menu.parentNode;
	var childs = parent.childNodes;
	var divs = [];
	for (var i = 0, c = childs.length; i < c; i ++) {
		if (childs[i].tagName == 'DIV') {
			if (divs.length) childs[i].style.display = 'none';
			divs[divs.length] = childs[i];
		}
	}
	divs[num+1].style.display = 'block';
	try {
		if (applyfilter) {
			main.filters[0].play();
		}
	} catch(e) {}
}