function show1(a) {
num = num + a;
if(num < 1) {
num = 10;
}
if(num > 10) {
num = 1;
}
var i = document.getElementById("l1");
i. src = num + ".jpg";
var time = 10;
}
var s;
function show() {
s = setInterval("print()",500);
}
var time=10;
function print() {
var f2 = document.getElementById("i2");
time--;
if(time == 0) {
time=10;
f2.src=time+".jpg";
} else {
f2.src=time+".jpg";
}
}
function tips(id,content){
document.getElementById(id+"span").innerHTML="<font color='red'>"+content+"</font>";
}
function checkusername(){
document.getElementById("usernamespan").innerHTML="<font color='green'>用户名可以使用</font>"
}
function mima(){
document.getElementById("passworkspan").innerHTML="<font color='green'>密码可以使用</font>"
}
var arr =new Array(5)//定义数组，二维数组
arr[0]= new Array("上海","江苏","重庆","四川","湖南")
arr[1]= new Array("额","啊","哦","嗯","哼")
arr[2]= new Array("no知道","no知道","no知道","no知道","no知道")
arr[3]= new Array("no知道","no知道","no知道","no知道","no知道")
arr[4]= new Array("no知道","no知道","no知道","no知道","no知道")
function change(value){
var city=document.getElementById("city");
city.options.length=1;
for(var i=0;i<arr[value].length;i++){ //遍历数组
var op=document.createElement("option");//创建元素
var taxt=document.createTextNode(arr[value][i]);//创建文件节点
op.appendChild(taxt);
city.appendChild(op);
