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Javascript
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javascript实例教程(1) 创建弹出式窗口
javascript实例教程(2) 创建折叠式导航菜单
javascript实例教程(3) 探测浏览器插件
javascript实例教程(4) 探测浏览器插件
javascript实例教程(5) 在一个表单中设置和检查Cookies
javascript实例教程(6) 利用javascript进行密码保护
javascript实例教程(7) 利用javascript基于浏览器类型的重定向
javascript实例教程(8) 检验表单有效性
javascript实例教程(9) 随机显示图片
javascript实例教程(10) 创建后退按钮
javascript实例教程(11) 隐藏script代码
javascript实例教程(12) 鼠标移过时报警
javascript实例教程(13) 鼠标触发窗口
javascript实例教程(14) JS代替CGI

Javascript 中的 网上应用的一个不错common.js脚本


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 169 ::
收藏到网摘: n/a

var iconwar = "<img src=\/AliImages\/icon_war.gif align=absmiddle \/> ";
var iconload = "<img src=\/AliImages\/ajaxload.gif align=absmiddle \/> ";
var badstr = "!&^#|%$)(-+/?<>@`~';:{}[],=\".\\";
var badsql = "!&^|+/?<>`~'=";
var $show = function (e) {try{document.getElementById(e).style.display="";} catch(e) {} };
var $hide = function (e) {try{document.getElementById(e).style.display="none";} catch(e) {} };
var $W = document.write;
var reurl,js_UserName;
reurl = document.referrer;
if (reurl=="")
{
reurl = "/index.html";
}
function onDisplay(id) {
if (document.getElementById(id).style.display == 'none') {
$show(id);
}
else {
$hide(id);
}
}
function onLabelTxt(id,LabelID,ShowTxt,HideTxt) {
if (document.getElementById(id).style.display == 'none') {
$show(id);
document.getElementById(LabelID).value = HideTxt;
}
else {
$hide(id);
document.getElementById(LabelID).value = ShowTxt;
}
}
function listdisp(tid,lid) {
if (document.getElementById(tid).style.display == 'none') {
$show(tid);
}
else {
$hide(tid);
}
if (lid == 't1') {
return 't1_off';
}
else if (lid == 't2') {
return 't2_off';
}
else if (lid == 't1_off') {
return 't1';
}
else if (lid == 't2_off') {
return 't2';
}
}
function trim(str) {
return (str + '').replace(/(\s+)$/g, '').replace(/^\s+/g, '');
}
function addbookmark(url, site){
if(is_ie) {
window.external.addFavorite(url, site);
} else {
alert('Please press "Ctrl+D" to add bookmark');
}
}
//AJAX_START
var xmlhttp=null;
function createxmlhttp(){
try {
xmlhttp=new ActiveXObject("Msxml2.xmlhttp") ;
}
catch(e) {
try {
xmlhttp=new ActiveXObject("Microsoft.xmlhttp") ;
}
catch(oc) {
xmlhttp=null ;
}
}
if ( !xmlhttp && typeof XMLHttpRequest != "undefined" ) {
xmlhttp = new XMLHttpRequest();
}
if (!xmlhttp) {
alert("您的浏览器不支AJAX特性,本页某些功能将无法正常使用!");
}
}

//js操作cookies函数 *********************
function delcookie(name){
setcookie(name, "");
}
function getcookie(name) {
var cookie_start = document.cookie.indexOf(name);
var cookie_end = document.cookie.indexOf(";", cookie_start);
return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length)));
}
function setcookie(cookieName, cookieValue, seconds) {
var expires = new Date();
var path = "/";
var domain = "alixixi.com";
var secure = "";
expires.setTime(expires.getTime() + seconds);
document.cookie = escape(cookieName) + '=' + escape(cookieValue)
+ (expires ? '; expires=' + expires.toGMTString() : '')
+ (path ? '; path=' + path : '/')
+ (domain ? '; domain=' + domain : '')
+ (secure ? '; secure' : '');
}
//GetQueryString ***********************
var LocString=String(window.document.location.href);
function GetQueryString(str){
var rs=new RegExp("(^|)"+str+"=([^\&]*)(\&|$)","gi").exec(LocString),tmp;
if(tmp=rs)return tmp[2];
return " ";
}
//VScroll 显示上翻单条标题************************
function _ge(a) {return document.getElementById?document.getElementById(a):null;}
function VScroll() {
var m_box = null;
var m_lineHeight = 0;
var m_lineNum = 0;
var m_splitStr = '';
var m_speed = 0;
var m_delay = 0;
var m_pos = 0;
var m_stopTimes = 0;
var m_stop = false;
this.init = function(box,lnum,lheight,speed,delay,split) {
m_box = _ge(box);
m_lineNum = lnum;
m_lineHeight = lheight;
m_speed = speed;
m_delay = delay;
m_splitStr = split;
}
this.play = function() {
if ( m_stop ) {
return;
}
m_pos = m_box.scrollTop;
if( m_pos % m_lineHeight == 0 && m_stopTimes < m_delay && m_box.scrollTop < m_lineHeight * m_lineNum ) {
m_stopTimes++;
} else {
m_box.scrollTop++;
if ( m_pos % m_lineHeight == 0 && m_stopTimes >= m_delay ) {
m_stopTimes = 0;
}
}
if ( m_box.scrollTop > m_lineHeight * m_lineNum ) {
m_box.scrollTop = 0;
}
}
this.show = function () {
setInterval( m_self + ".play()", m_speed );
}
this.setSelf = function(n) {
m_self = n;
}
this.stop = function(n) {
m_stop = n;
}
}
function show_date() {
var today = new Date();
var day = new Array();
var str = '';
day[0] = "日";
day[1] = "一";
day[2] = "二";
day[3] = "三";
day[4] = "四";
day[5] = "五";
day[6] = "六";
str += today.getFullYear();
str += "年";
str += today.getMonth() + 1;
str += "月";
str += today.getDate();
str += "日";
str += " ";
str += "星期";
str += day[today.getDay()];
return str;
}

function ajaxPost(url,stateurl,data,info,loading){
var url,stateurl,data,info,loading
createxmlhttp();
if (data=="" || data==null)
{
//getMode
xmlhttp.open("get",url,true);
xmlhttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");
xmlhttp.onreadystatechange= function () { checkState(stateurl,info,loading); } ;
xmlhttp.send(null);
}
else
{
//postMode
xmlhttp.open("post",url, true, "", "");
xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xmlhttp.onreadystatechange= function () { checkState(stateurl,info,loading); }
xmlhttp.send(data);
}
}

function checkState(stateurl,info,loadnews){
if (xmlhttp.readyState == 4){
document.getElementById(info).innerHTML = loadnews;
if(xmlhttp.status == 200){
var retext = xmlhttp.responseText.split("$");
document.getElementById(info).innerHTML=retext[1];
switch(retext[0]) {
case "usreg" : if(stateurl!=="")location.href=stateurl;
break;
case "uslogin" : if(stateurl!=="")location.href=stateurl;
break;
case "active" : location.href=retext[2];
break;
case "errinfo" : return false;
break;
default : document.getElementById(info).innerHTML=retext[0];
}
}
}
else{
document.getElementById(info).innerHTML=loadnews;
}
}
//AJAX_END

//运行代码
function runEx(cod1) {
cod=document.getElementById(cod1)
var code=cod.value;
if (code!=""){
var newwin=window.open('','','');
newwin.opener = null
newwin.document.write(code);
newwin.document.close();
}
}
//复制代码
function doCopy2(ID) {
if (document.all){
textRange = document.getElementById(ID).createTextRange();
textRange.execCommand("Copy");
alert('复制成功');
}
else{
alert("此功能只能在IE上有效")
}
}
//复制代码
function doCopy(obj) {
var rng = document.body.createTextRange();
rng.moveToElementText(obj);
rng.scrollIntoView();
rng.select();
rng.execCommand("Copy");
rng.collapse(false);
}
function doCopyUrl()
{
document.getElementById("CopyUrl").value=parent.location.href;
document.getElementById("CopyUrl").select();
document.execCommand("copy");
alert("网址成功复制到剪贴板!")
}
//另存代码
function doSave(obj) {
var winname = window.open('', '_blank', 'top=10000');
winname.document.open('text/html', 'replace');
winname.document.writeln(obj.value);
winname.document.execCommand('saveas','','code.htm');
winname.close();
}
function findobj(n, d) {
var p, i, x;
if(!d) d = document;
if((p = n.indexOf("?"))>0 && parent.frames.length) {
d = parent.frames[n.substring(p + 1)].document;
n = n.substring(0, p);
}
if(x != d[n] && d.all) x = d.all[n];
for(i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
for(i = 0; !x && d.layers && i < d.layers.length; i++) x = findobj(n, d.layers[i].document);
if(!x && document.getElementById) x = document.getElementById(n);
return x;
}
function submitonce(theform){
//if IE 4+ or NS 6+
if (document.all||document.getElementById){
//screen thru every element in the form, and hunt down "submit" and "reset"
for (i=0;i<theform.length;i++){
var tempobj=theform.elements[i]
if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
//disable em
tempobj.disabled=true
}
}
}
function openScript(url, width, height){
var Win = window.open(url,"openScript",'width=' + width + ',height=' + height + ',resizable=1,scrollbars=yes,menubar=no,status=yes' );
}
function CheckAll(form) {
for (var i=0;i<form.elements.length;i++) {
var e = form.elements[i];
if (e.name != 'chkall') e.checked = form.chkall.checked;
}
}
function chkuserlogin() {
if (getcookie('userid') == ''||getcookie('userid') == 0||getcookie('username') == '') {
return false;
}
else {
return true;
}
}
function chkcookieed() {
if (getcookie("username") !== "") {
var url = "/ajax.asp?action=loginmenu";
url += "&random="+Math.random();
ajaxPost(url,null,null,"top_login"," ");
}
}

function userlogout() {
var url = "/AspCode.asp?getType=logout";
url += "&random="+Math.random();
ajaxPost(url,null,null,"top_login","正在退出...");
chkcookieed();
alert('欢迎再次光临阿里西西WEB开发社区...');
}
//Cookie解密
function DecodeCookie(str)
{
var strArr;
var strRtn="";
strArr=str.split("a");
try{
for (var i=strArr.length-1;i>=0;i--)
strRtn+=String.fromCharCode(eval(strArr[i]));
}catch(e){
}
return strRtn;
}
function isnumber(str){
var digits="1234567890";
var i=0;
var strlen=str.length;
while((i<strlen)){
var char=str.charAt(i);
if(digits.indexOf(char)==-1)return false;i++;
}
return true;
}
//检查非法字符
//str 要检查的字符
//badwords 非法字符 &|<>=
function checkbadwords(str, badwords) {
if (typeof (str) != "string" || typeof (badwords) != "string") {
return (false);
}
for (i=0; i<badwords.length; i++) {
bad = badwords.charAt(i);
for (j=0; j<str.length; j++) {
if (bad == str.charAt(j)) {
return false;
break;
}
}
}
return true;
}
function switchTag(tag,bar)
{
for(i=1; i <6; i++)
{
if ("tag"+i==tag)
{
document.getElementById(tag).getElementsByTagName("a")[0].className="selectli"+i;
document.getElementById(tag).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="selectspan"+i;
}else{
document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
document.getElementById("tag"+i).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="";
}
if ("bar"+i==bar)
{
document.getElementById(bar).className="";
}else{
document.getElementById("bar"+i).className="hidebar";
}
document.getElementById("bar").className=bar;
}
}
function switchNew(fornum,showname,lname,newid)
{
for(i=1; i < fornum; i++)
{
if (lname+i==newid)
{
document.getElementById(newid).className=showname;
}else{
document.getElementById(lname+i).className="hidebar";
}
}
}
function bgc(cssid) {
switch(cssid) {
case 0 : this.style.background='#FFFFFF';
break;
case 1 : this.style.background='#E8F5FE';
break;
case 2 : this.style.background='#FFFFDD';
break;
case 3 : this.style.background='#F2FDDB';
break;
case 4 : this.style.background='#FFE7F4';
break;
case 5 : this.style.background='#F7F7F7';
break;
default : this.style.background='#FFFFFF';
}
}
function imgzoom(o){
if(event.ctrlKey) {
var zoom = parseInt(o.style.zoom, 10) || 100;
zoom -= event.wheelDelta / 12;
if(zoom > 0) {
o.style.zoom = zoom + '%';
}
return false;
} else {
return true;
}
}
function CheckAll(form)
{
for (var i=0;i<form.elements.length;i++)
{
var e = form.elements[i];
if (e.Name != "chkAll"&&e.disabled!=true)
e.checked = form.chkAll.checked;
}
}
function addfav(favtitle,favform,favid)
{
location.href = "http://www.alixixi.com/account/user_Favorites.asp?url="+ document.URL +"&favtitle="+ favtitle +"&from="+ favform +"&id=" + favid;
}
function mto(aid) {
location.href = "http://www.alixixi.com/account/user_post.asp?aid=" + aid;
}
function apost(url){
createxmlhttp();
//getMode
url += "&random="+Math.random();
xmlhttp.open("get",url,true);
xmlhttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");
//xmlhttp.onreadystatechange= function () { checkSeo(); } ;
xmlhttp.send(null);
}
function checkSeo(){
var info = 'test';
var loadnews = '正在加载';
if (xmlhttp.readyState == 4){
document.getElementById(info).innerHTML = loadnews;
if(xmlhttp.status == 200){
var retext = xmlhttp.responseText;
document.getElementById(info).innerHTML=retext;
}
}
else{
document.getElementById(info).innerHTML=loadnews;
}
}
function setstyle(sid) {
if (sid!=='' || sid!==null)
{
switch (parseInt(sid))
{
case 1:
setcookie('ali_style', 1, 600000);
document.all.css.href = '/css/style1.css';
break;
case 2:
setcookie('ali_style', 2, 600000);
document.all.css.href = '/css/style2.css';
break;
case 3:
setcookie('ali_style', 3, 600000);
document.all.css.href = '/css/style3.css';
break;
}
}
}
function ResumeError() {
return true;
}
window.onerror = ResumeError;
setstyle(getcookie('ali_style'));
//window.onload = setstyle(getcookie('ali_style'));