// 相对尺寸
function GetOffsetTop (el, p) {
var _t = el.offsetTop;
var _p = el.offsetParent;

while (_p) {
if (_p == p) break;
_t += _p.offsetTop;
_p = _p.offsetParent;
}

return _t;
};
function GetOffsetLeft (el, p) {
var _l = el.offsetLeft;
var _p = el.offsetParent;

while (_p) {
if (_p == p) break;
_l += _p.offsetLeft;
_p = _p.offsetParent;
}

return _l;
};
function showMenu (baseID, divID) {
baseID = $(baseID);
divID  = $(divID);

//var l = GetOffsetLeft(baseID);
//var t = GetOffsetTop(baseID);

//divID.style.left = l + 'px';
//    divID.style.top = t + baseID.offsetHeight + 'px';
if (showMenu.timer) clearTimeout(showMenu.timer);
hideCur();
divID.style.display = 'block';
showMenu.cur = divID;

if (! divID.isCreate) {
divID.isCreate = true;
//divID.timer = 0;
divID.onmouseover = function () {
if (showMenu.timer) clearTimeout(showMenu.timer);
hideCur();
divID.style.display = 'block';
};

function hide () {
showMenu.timer = setTimeout(function () {divID.style.display = 'none';}, 1000);
}

divID.onmouseout = hide;
baseID.onmouseout = hide;
}
function hideCur () {
showMenu.cur && (showMenu.cur.style.display = 'none');
}
}

function doClick_down(o){
o.className="current";
var j;
var id;
var e;
for(var i=1;i<=4;i++){
id ="down"+i;
j = document.getElementById(id);
e = document.getElementById("d_con"+i);
if(id != o.id){
j.className="";
e.style.display = "none";
}else{
e.style.display = "block";
}
}
}
	
function doClick_jy(o){
o.className="current";
var j;
var id;
var e;
for(var i=1;i<=8;i++){
id ="jy"+i;
j = document.getElementById(id);
e = document.getElementById("jy_con"+i);
if(id != o.id){
j.className="";
e.style.display = "none";
}else{
e.style.display = "block";
}
}
}


function doZoom(size){
document.getElementById('textbody').style.fontSize=size+'px'
}


/// 修改及新增