function f(obj,text) {
obj.nextSibling.innerHTML=text;
obj.nextSibling.style.color="#000";
obj.nextSibling.style.fontSize=12+'px';
}
function f1(obj) {
obj.nextSibling.innerHTML=" ";
}
//发布留言
var i = 0;
//i 为 box 的 id
var j = 0;
//j是一共有多少个楼，删除后的用它接收
var q =1;
function f2() {
var name = document.getElementById("name");
var main = document.getElementById("textarea");
var box = document.getElementById("box");
var contents = document.getElementById("contents");
var step = document.getElementById("step");
var pic1 =document.getElementById("pic1");
if (name.value == "") {
name.nextSibling.innerHTML="*必须填写用户名!";
name.nextSibling.style.color="red";
name.nextSibling.style.fontSize=10+'px';
}else if(main.value == ""){
main.nextSibling.innerHTML="必须填写内容";
main.nextSibling.style.color="red";
main.nextSibling.style.fontSize=10+'px';
}else if(q==1){
//选择头像
pic1.innerHTML="必须选中一个头像！";
pic1.style.color="red";
pic1.style.fontSize=10+"px";
}else {
//楼层
var div = box.cloneNode(true);
div.style.display="block";
i++;
j++;
div.id="box"+i;
var child = div.getElementsByTagName("div");
//获取克隆出来div里面的小div
child[0].innerHTML=i+"楼";
child[3].innerHTML="姓名："+name.value;
child[4].innerHTML="内容："+main.value;
step.innerHTML="一共有（"+ j +"）楼";
child[7].innerHTML="发布时间"+oTime();
contents.appendChild(div);
}
}
//发布时间的时间
function oTime() {
var date = new Date();
var year = date.getFullYear();
var month = date.getMonth()+1;
var date1 = date.getDate();
var day = date.getDay();
var hour = date.getHours();
var minutes = date.getMinutes();
var second = date.getSeconds();
if(day === 0){
day = "日";
}else if(day == 1){
day = "一";
}else if(day == 2){
day = "二";
}else if(day == 3){
day = "三";
}else if(day == 4){
day = "四";
}else if(day == 5){
day = "五";
}else if(day == 6){
day = "六";
}
return year+"年"+month+"月"+date1+"日"+hour+"："+minutes+"："+second+"星期"+day;
}
//删除
function del(obj) {
var step = document.getElementById("step");
j--;
step.innerHTML="一共有（"+ j +"）楼";
//删除后一共有多少楼
var contents = document.getElementById("contents");
var p =obj.parentNode.parentNode.parentNode;
//removeChild(p)表示把p删掉
contents.removeChild(p);
}
//点赞
function praise(obj,t) {
t++;
var parent1 = obj.parentNode;
parent1.innerHTML='删除|' +
'点赞（'+ t +'）';
}
//选择头像
function f3() {
var img = document.getElementById("img");
var pic = img.getElementsByTagName("img");
var box = document.getElementById("box");
var img1= box.getElementsByTagName("img");
for(var a =0; a
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