function getOffsetTop (el, p) {
    var _t = el.offsetTop;
    while (el = el.offsetParent) {
        if (el == p) break;
        _t += el.offsetTop;
    }

    return _t;
};
function getOffsetLeft (el, p) {
    var _l = el.offsetLeft;
    while (el = el.offsetParent) {
        if (el == p) break;
        _l += el.offsetLeft;
    }

    return _l;
};
var tt;
var curMenu;
function mouseover (th, menu) {
    if (tt) clearTimeout(tt);
    displayMenu(false);
    menu = document.getElementById('menu' + menu);
	//menu.style.left =0+ 'px';
	//menu.style.top =0+ 'px';
	//menu.style.left = getOffsetLeft(th) + 'px';
	// menu.style.top = getOffsetTop(th) + th.offsetHeight + 'px';

	menu.style.left = getOffsetLeft(th) - 110 + 'px';
	menu.style.top = getOffsetTop(th) + 20 +'px';

    curMenu = menu;
    displayMenu(true);
}
function mouseout () {
    tt = setTimeout('displayMenu(false)', 200);
}
function _mouseover () {
    if (tt) clearTimeout(tt);
    displayMenu(true);
}
function _mouseout () {
    displayMenu(false);
}
function displayMenu (display) {
    if (curMenu) {
        curMenu.style.display = display ? 'block' : 'none';
    }
}

//内容介绍页标签切换
function intro(id)
{
for (var i = 0;i < 4;i++)
{
var introtitle = document.getElementById("introtitle" + i);
var intromain = document.getElementById("intromain" + i);
if (i == id)
{
introtitle.className = 'on';
intromain.style.display = "";
}
else
{
introtitle.className = '';
intromain.style.display = "none";
}
}
}

//内容介绍页标签切换
function list_new2(id)
{
for (var i = 0;i < 4;i++)
{
var list_new2title = document.getElementById("list_new2title" + i);
var list_new2main = document.getElementById("list_new2main" + i);
if (i == id)
{
list_new2title.className = 'on';
list_new2main.style.display = "";
}
else
{
list_new2title.className = '';
list_new2main.style.display = "none";
}
}
}

//内容介绍页标签切换
function list_new(id)
{
for (var i = 0;i < 4;i++)
{
var list_newtitle = document.getElementById("list_newtitle" + i);
var list_newmain = document.getElementById("list_newmain" + i);
if (i == id)
{
list_newtitle.className = 'on';
list_newmain.style.display = "";
}
else
{
list_newtitle.className = '';
list_newmain.style.display = "none";
}
}
}

//首页标签切换
function note(id)
{
for (var i = 0;i < 2;i++)
{
var notetitle = document.getElementById("notetitle" + i);
var notemain = document.getElementById("notemain" + i);
if (i == id)
{
notetitle.className = 'on';
notemain.style.display = "";
}
else
{
notetitle.className = '';
notemain.style.display = "none";
}
}
}


function tab(a,b,c) 
{ 
for(i=1;i<=b;i++){ 
if(c==i)
{ 
// 判断选择模块
document.getElementById(a+"_mo_"+i).style.display = "block";  // 显示模块内容
document.getElementById(a+"_to_"+i).className = "no";   // 改变菜单为选中样式
} 
else{ 
// 没有选择的模块
document.getElementById(a+"_mo_"+i).style.display = "none"; // 隐藏没有选择的模块
document.getElementById(a+"_to_"+i).className = "q";  // 清空没有选择的菜单样式
} 
} 
}


function nTabs(thisObj,Num){
if(thisObj.className == "on")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++)
{
  if (i == Num)
  {
   thisObj.className = "on"; 
	document.getElementById(tabObj+"M"+i).style.display = "block";
  }else{
   tabList[i].className = ""; 
   document.getElementById(tabObj+"M"+i).style.display = "none";
  }
} 
}

function iTabs(thisObj,Num){
if(thisObj.className == "on")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("a");
for(i=0; i <tabList.length; i++)
{
  if (i == Num)
  {
   thisObj.className = "on"; 
	document.getElementById(tabObj+"M"+i).style.display = "block";
  }else{
   tabList[i].className = ""; 
   document.getElementById(tabObj+"M"+i).style.display = "none";
  }
} 
}