/* ------使用说明----- */
/*
添加城市方法：
    添加组：找到id 是 "selectSub"中select标签下，添加option标签 value属性递增，找到 id 是 "selectSub",按照原有格式添加div,其id属性递增
添加二级傅选矿选项
复制 id 是 "selectSub" 下任意input标签，粘贴在需要添加的位置。
*/
var $ = document.getElementById;
var grow;
var showGrow = 0;//已打开组
var selectCount = 0; //已选数量 
var items;
function showDiv(){
grow = $("selectSub").getElementsByTagName("option").length; //组数
showSelect(showGrow);
items = $("selectSub").getElementsByTagName("input");
}
//alert(maxItem);
//var lenMax = 2; 
//alert(1);
function $(o){ //获取对象
if(typeof(o) == "string")
return document.getElementById(o);
return o;
}
function openBg(state){ //遮照打开关闭控制
if(state == 1)
{
$("bg").style.display = "block";
var h = document.body.offsetHeight > document.documentElement.offsetHeight ? document.body.offsetHeight : document.documentElement.offsetHeight;
//alert(document.body.offsetHeight);
//alert(document.documentElement.offsetHeight);
$("bg").style.height = h + "px";
}
else
{
$("bg").style.display = "none";
}
}
function openSelect(state){ //选择城市层关闭打开控制
if(state == 1)
{
$("selectItem").style.display = "block";
$("selectItem").style.left = ($("bg").offsetWidth - $("selectItem").offsetWidth)/2 + "px";
$("selectItem").style.top = document.body.scrollTop + 100 + "px";
}
else
{
$("selectItem").style.display = "none";
}
}
function showSelect(id){
for(var i = 0 ; i < grow ;i++)
{
$("c0" + i).style.display = "none";
}
$("c0" + id).style.display = "block";
showGrow = id;
}
function open(id,state){ //显示隐藏控制
if(state == 1)
$(id).style.display = "block";
$(id).style.diaplay = "none";
}
function addPreItem(){
$("previewItem").innerHTML = "";
var len　= 0 ;
for(var i = 0 ; i < items.length ; i++)
{
if(items[i].checked == true)
{
//len++;
//if(len > lenMax)
//{
//alert("不能超过" + lenMax +"个选项！")
//return false;
//}
var mes = "<input type='checkbox' checked='true' value='"+ items[i].value +"' onclick='copyItem(\"previewItem\",\"previewItem\");same(this);'>" + items[i].value;
$("previewItem").innerHTML += mes;
//alert(items[i].value);
}
}
}
function makeSure(){
//alert(1);
//$("makeSureItem").innerHTML = $("previewItem").innerHTML;
openBg(0);
openSelect(0);
copyItem("previewItem","makeSureItem")
}
function copyHTML(id1,id2){
$(id2).innerHTML = $("id1").innerHTML;
}
function copyItem(id1,id2){

var mes = "";
var items2 = $(id1).getElementsByTagName("input");
for(var i = 0 ; i < items2.length ; i++)
{
if(items2[i].checked == true)
{
mes += "<input type='checkbox' checked='true' value='"+ items2[i].value +"' onclick='copyItem(\"" + id2+ "\",\""+ id1 +"\");same(this);'>" + items2[i].value;
}
}
$(id2).innerHTML = "";
$(id2).innerHTML += mes;
//alert($(id2).innerHTML);
}
function same(ck){
for(var i = 0 ; i < items.length ; i++)
{
if(ck.value == items[i].value)
{
items[i].checked = ck.checked;
}
}
}
/* 鼠标拖动 */
var oDrag = "";
var ox,oy,nx,ny,dy,dx;
function drag(e,o){
var e = e ? e : event;
var mouseD = document.all ? 1 : 0;
if(e.button == mouseD)
{
oDrag = o.parentNode;
//alert(oDrag.id);
ox = e.clientX;
oy = e.clientY;
}
}
function dragPro(e){
if(oDrag != "")
{
var e = e ? e : event;
//$(oDrag).style.left = $(oDrag).offsetLeft + "px";
//$(oDrag).style.top = $(oDrag).offsetTop + "px";
dx = parseInt($(oDrag).style.left);
dy = parseInt($(oDrag).style.top);
//dx = $(oDrag).offsetLeft;
//dy = $(oDrag).offsetTop;
nx = e.clientX;
ny = e.clientY;
$(oDrag).style.left = (dx + ( nx - ox )) + "px";
$(oDrag).style.top = (dy + ( ny - oy )) + "px";
ox = nx;
oy = ny;
}
}
document.onmouseup = function(){oDrag = "";}
document.onmousemove = function(event){dragPro(event);}