//****************************************************/
//多内容导航条
//event:事件
//this:主要层
//例子:onclick="topMenuUpOper(event,this)"
//****************************************************/
function topMenuUpOper(e,me){
	e = e || window.event;
	var obj = e.target || e.srcElement;
	if(obj == me){return;}
	if(obj.tagName != "A"){return;}
	if(obj.className == "top_menu_navigate_options"){return;}

	var item = null;
	var link = me.getElementsByTagName("A");
	var className = obj.className.replace(/ed$/gi,"");
	for(var i = 0; i < link.length; i++){
		link[i].className = (link[i].className == "top_menu_navigate_options") ? "top_menu_navigate_options" : className ;
		if(link[i] == obj)
			item = i;
	}
	obj.className = className + "ed";

	var downMain = document.getElementById("top_menu_down_main");
	if(!downMain){return;}
	var div = downMain.getElementsByTagName("DIV");
	for(var i = 0; i < div.length; i++){
		div[i].style.display = "none";
	}
	if(!div[item]){return;}
	div[item].style.display = "";
}
//****************************************************/
//初始化多内容导航条
//num:初始选中的项	0为第一项
//例子:topMenuUpSetup(0)
//****************************************************/
function topMenuUpSetup(num){
	var topMenu = document.getElementById("top_menu_up_main");
	if(!topMenu){return;}
	var link = topMenu.getElementsByTagName("A");
	if(num > link.length - 1 || num < 0 || num == "")
		num = 0;
	var className = link[0].className.replace(/ed$/gi,"");
	for(var i = 0; i < link.length; i++){
		link[i].className = (link[i].className == "top_menu_navigate_options") ? "top_menu_navigate_options" : className ;
	}
	link[num].className = className + "ed";

	var downMain = document.getElementById("top_menu_down_main");
	if(!downMain){return;}
	var div = downMain.getElementsByTagName("DIV");
	if(!div[num]){return;}
	div[num].style.display = "";
}