// JavaScript Document
//头部菜单
function navi1(selfObj){
	document.getElementById("nav_1_box").style.display = "block";
	selfObj.className = "nav_1_on";
	document.getElementById("select_s").style.visibility ="hidden";
}
function navi1_h(selfObj){
	document.getElementById("nav_1_box").style.display = "none";
	selfObj.className = "nav_1";
	document.getElementById("select_s").style.visibility ="visible";
}
function navi2(selfObj){
	document.getElementById("nav_2_box").style.display = "block";
	selfObj.className = "nav_2_on";
}
function navi2_h(selfObj){
	document.getElementById("nav_2_box").style.display = "none";
	selfObj.className = "nav_2";
}
function navi3(selfObj){
	document.getElementById("nav_3_box").style.display = "block";
	selfObj.className = "nav_3_on";
}
function navi3_h(selfObj){
	document.getElementById("nav_3_box").style.display = "none";
	selfObj.className = "nav_3";
}
function navi4(selfObj){
	document.getElementById("nav_4_box").style.display = "block";
	selfObj.className = "nav_4_on";
}
function navi4_h(selfObj){
	document.getElementById("nav_4_box").style.display = "none";
	selfObj.className = "nav_4";
}
function navi5(selfObj){
	document.getElementById("nav_5_box").style.display = "block";
	selfObj.className = "nav_5_on";
}
function navi5_h(selfObj){
	document.getElementById("nav_5_box").style.display = "none";
	selfObj.className = "nav_5";
}
function navi7(selfObj){
	document.getElementById("nav_7_box").style.display = "block";
	selfObj.className = "nav_7_on";
}
function navi7_h(selfObj){
	document.getElementById("nav_7_box").style.display = "none";
	selfObj.className = "nav_7";
}
function navi8(selfObj){
	document.getElementById("nav_8_box").style.display = "block";
	selfObj.className = "nav_8_on";
}
function navi8_h(selfObj){
	document.getElementById("nav_8_box").style.display = "none";
	selfObj.className = "nav_8";
}

//功能菜单
function shownav(showContent,selfObj){
	var li = document.getElementById("navUl").getElementsByTagName("li");
	var lilength = li.length;
	for(i=0; i<lilength; i++){
		li[i].className = "m_nav_li";
	}
	selfObj.className = "m_nav_li_on";
	var dl = document.getElementById("navUl").getElementsByTagName("dl");
	var dllength = dl.length;
	for(i=0; i<dllength; i++){
		dl[i].style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
}
function shownavNone(showContent,selfObj){
	var li = document.getElementById("navUl").getElementsByTagName("li");
	var lilength = li.length;
	for(i=0; i<lilength; i++){
		li[i].className = "m_nav_li";
	}
	var dl = document.getElementById("navUl").getElementsByTagName("dl");
	var dllength = dl.length;
	for(i=0; i<dllength; i++){
		dl[i].style.display = "none";
	}
}