discuz中用到的js不论是多浏览器兼容性和实用性都是非常不错的，推荐大家看下

var lang = new Array();
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
function $(id) {
return document.getElementById(id);
}
//定义数组的push属性
Array.prototype.push = function(value) {
this[this.length] = value;
return this.length;
}
//javascript全选函数
function checkall(form, prefix, checkall) {
var checkall = checkall ? checkall : 'chkall';
for(var i = 0; i < form.elements.length; i++) {
var e = form.elements[i];
if(e.name && e.name != checkall && (!prefix || (prefix && e.name.match(prefix)))) {
e.checked = form.elements[checkall].checked;
}
}
}
function doane(event) {
e = event ? event : window.event;
if(is_ie) {
e.returnValue = false;
e.cancelBubble = true;
} else if(e) {
e.stopPropagation();
e.preventDefault();
}
}
function fetchCheckbox(cbn) {
return $(cbn) && $(cbn).checked == true ? 1 : 0;
}
function getcookie(name) {
var cookie_start = document.cookie.indexOf(name);
var cookie_end = document.cookie.indexOf(";", cookie_start);
return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length)));
}
function thumbImg(obj) {
var zw = obj.width;
var zh = obj.height;
if(is_ie && zw == 0 && zh == 0) {
var matches;
re = /width=(["']?)(\d+)(\1)/i;
matches = re.exec(obj.outerHTML);
zw = matches[2];
re = /height=(["']?)(\d+)(\1)/i;
matches = re.exec(obj.outerHTML);
zh = matches[2];
}
obj.resized = true;
obj.style.width = zw + 'px';
obj.style.height = 'auto';
if(obj.offsetHeight > zh) {
obj.style.height = zh + 'px';
obj.style.width = 'auto';
}
if(is_ie) {
var imgid = 'img_' + Math.random();
obj.id = imgid;
setTimeout('try {if ($(\''+imgid+'\').offsetHeight > '+zh+') {$(\''+imgid+'\').style.height = \''+zh+'px\';$(\''+imgid+'\').style.width = \'auto\';}} catch(e){}', 1000);
}
obj.onload = null;
}
function imgzoom(obj) {}
function in_array(needle, haystack) {
if(typeof needle == 'string' || typeof needle == 'number') {
for(var i in haystack) {
if(haystack[i] == needle) {
return true;
}
}
}
return false;
}
function setcopy(text, alertmsg){
if(is_ie) {
clipboardData.setData('Text', text);
alert(alertmsg);
} else if(prompt('Press Ctrl+C Copy to Clipboard', text)) {
alert(alertmsg);
}
}
function isUndefined(variable) {
return typeof variable == 'undefined' ? true : false;
}
function mb_strlen(str) {
var len = 0;
for(var i = 0; i < str.length; i++) {
len += str.charCodeAt(i) < 0 || str.charCodeAt(i) > 255 ? (charset == 'utf-8' ? 3 : 2) : 1;
}
return len;
}
function setcookie(cookieName, cookieValue, seconds, path, domain, secure) {
var expires = new Date();
expires.setTime(expires.getTime() + seconds);
document.cookie = escape(cookieName) + '=' + escape(cookieValue)
+ (expires ? '; expires=' + expires.toGMTString() : '')
+ (path ? '; path=' + path : '/')
+ (domain ? '; domain=' + domain : '')
+ (secure ? '; secure' : '');
}
function strlen(str) {
return (is_ie && str.indexOf('\n') != -1) ? str.replace(/\r?\n/g, '_').length : str.length;
}
function updatestring(str1, str2, clear) {
str2 = '_' + str2 + '_';
return clear ? str1.replace(str2, '') : (str1.indexOf(str2) == -1 ? str1 + str2 : str1);
}
function toggle_collapse(objname, noimg) {
var obj = $(objname);
obj.style.display = obj.style.display == '' ? 'none' : '';
if(!noimg) {
var img = $(objname + '_img');
img.src = img.src.indexOf('_yes.gif') == -1 ? img.src.replace(/_no\.gif/, '_yes\.gif') : img.src.replace(/_yes\.gif/, '_no\.gif');
}
var collapsed = getcookie('discuz_collapse');
collapsed = updatestring(collapsed, objname, !obj.style.display);
setcookie('discuz_collapse', collapsed, (collapsed ? 86400 * 30 : -(86400 * 30 * 1000)));
}
function trim(str) {
return (str + '').replace(/(\s+)$/g, '').replace(/^\s+/g, '');
}
function _attachEvent(obj, evt, func) {
if(obj.addEventListener) {
obj.addEventListener(evt, func, false);
} else if(obj.attachEvent) {
obj.attachEvent("on" + evt, func);
}
}
var jsmenu = new Array();
var ctrlobjclassName;
jsmenu['active'] = new Array();
jsmenu['timer'] = new Array();
jsmenu['iframe'] = new Array();
function initCtrl(ctrlobj, click, duration, timeout, layer) {
if(ctrlobj && !ctrlobj.initialized) {
ctrlobj.initialized = true;
ctrlobj.unselectable = true;
ctrlobj.outfunc = typeof ctrlobj.onmouseout == 'function' ? ctrlobj.onmouseout : null;
ctrlobj.onmouseout = function() {
if(this.outfunc) this.outfunc();
if(duration < 3) jsmenu['timer'][ctrlobj.id] = setTimeout('hideMenu(' + layer + ')', timeout);
}
ctrlobj.overfunc = typeof ctrlobj.onmouseover == 'function' ? ctrlobj.onmouseover : null;
ctrlobj.onmouseover = function(e) {
doane(e);
if(this.overfunc) this.overfunc();
if(click) {
clearTimeout(jsmenu['timer'][this.id]);
} else {
for(var id in jsmenu['timer']) {
if(jsmenu['timer'][id]) clearTimeout(jsmenu['timer'][id]);
}
}
}
}
}
function initMenu(ctrlid, menuobj, duration, timeout, layer, drag) {
if(menuobj && !menuobj.initialized) {
menuobj.initialized = true;
menuobj.ctrlkey = ctrlid;
menuobj.onclick = ebygum;
menuobj.style.position = 'absolute';
if(duration < 3) {
if(duration > 1) {
menuobj.onmouseover = function() {
clearTimeout(jsmenu['timer'][ctrlid]);
}
}
if(duration != 1) {
menuobj.onmouseout = function() {
jsmenu['timer'][ctrlid] = setTimeout('hideMenu(' + layer + ')', timeout);
}
}
}
menuobj.style.zIndex = 50;
if(is_ie) {
menuobj.style.filter += "progid:DXImageTransform.Microsoft.shadow(direction=135,color=#CCCCCC,strength=2)";
}
if(drag) {
menuobj.onmousedown = function(event) {try{menudrag(menuobj, event, 1);}catch(e){}};
menuobj.onmousemove = function(event) {try{menudrag(menuobj, event, 2);}catch(e){}};
menuobj.onmouseup = function(event) {try{menudrag(menuobj, event, 3);}catch(e){}};
}
}
}
var menudragstart = new Array();
function menudrag(menuobj, e, op) {
if(op == 1) {
if(in_array(is_ie ? event.srcElement.tagName : e.target.tagName, ['TEXTAREA', 'INPUT', 'BUTTON', 'SELECT'])) {
return;
}
menudragstart = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
menudragstart[2] = parseInt(menuobj.style.left);
menudragstart[3] = parseInt(menuobj.style.top);
doane(e);
} else if(op == 2 && menudragstart[0]) {
var menudragnow = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
menuobj.style.left = (menudragstart[2] + menudragnow[0] - menudragstart[0]) + 'px';
menuobj.style.top = (menudragstart[3] + menudragnow[1] - menudragstart[1]) + 'px';
doane(e);
} else if(op == 3) {
menudragstart = [];
doane(e);
}
}
function showMenu(ctrlid, click, offset, duration, timeout, layer, showid, maxh, drag) {
var ctrlobj = $(ctrlid);
if(!ctrlobj) return;
if(isUndefined(click)) click = false;
if(isUndefined(offset)) offset = 0;
if(isUndefined(duration)) duration = 2;
if(isUndefined(timeout)) timeout = 500;
if(isUndefined(layer)) layer = 0;
if(isUndefined(showid)) showid = ctrlid;
var showobj = $(showid);
var menuobj = $(showid + '_menu');
if(!showobj|| !menuobj) return;
if(isUndefined(maxh)) maxh = 400;
if(isUndefined(drag)) drag = false;
if(click && jsmenu['active'][layer] == menuobj) {
hideMenu(layer);
return;
} else {
hideMenu(layer);
}
var len = jsmenu['timer'].length;
if(len > 0) {
for(var i=0; i<len; i++) {
if(jsmenu['timer'][i]) clearTimeout(jsmenu['timer'][i]);
}
}
initCtrl(ctrlobj, click, duration, timeout, layer);
ctrlobjclassName = ctrlobj.className;
ctrlobj.className += ' hover';
initMenu(ctrlid, menuobj, duration, timeout, layer, drag);
menuobj.style.display = '';
if(!is_opera) {
menuobj.style.clip = 'rect(auto, auto, auto, auto)';
}
setMenuPosition(showid, offset);
if(is_ie && is_ie < 7) {
if(!jsmenu['iframe'][layer]) {
var iframe = document.createElement('iframe');
iframe.style.display = 'none';
iframe.style.position = 'absolute';
iframe.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';
$('append_parent') ? $('append_parent').appendChild(iframe) : menuobj.parentNode.appendChild(iframe);
jsmenu['iframe'][layer] = iframe;
}
jsmenu['iframe'][layer].style.top = menuobj.style.top;
jsmenu['iframe'][layer].style.left = menuobj.style.left;
jsmenu['iframe'][layer].style.width = menuobj.w;
jsmenu['iframe'][layer].style.height = menuobj.h;
jsmenu['iframe'][layer].style.display = 'block';
}
if(maxh && menuobj.scrollHeight > maxh) {
menuobj.style.height = maxh + 'px';
if(is_opera) {
menuobj.style.overflow = 'auto';
} else {
menuobj.style.overflowY = 'auto';
}
}
if(!duration) {
setTimeout('hideMenu(' + layer + ')', timeout);
}
jsmenu['active'][layer] = menuobj;
}
function setMenuPosition(showid, offset) {
var showobj = $(showid);
var menuobj = $(showid + '_menu');
if(isUndefined(offset)) offset = 0;
if(showobj) {
showobj.pos = fetchOffset(showobj);
showobj.X = showobj.pos['left'];
showobj.Y = showobj.pos['top'];
showobj.w = showobj.offsetWidth;
showobj.h = showobj.offsetHeight;
menuobj.w = menuobj.offsetWidth;
menuobj.h = menuobj.offsetHeight;
if(offset < 3) {
menuobj.style.left = (showobj.X + menuobj.w > document.body.clientWidth) && (showobj.X + showobj.w - menuobj.w >= 0) ? showobj.X + showobj.w - menuobj.w + 'px' : showobj.X + 'px';
menuobj.style.top = offset == 1 ? showobj.Y + 'px' : (offset == 2 || ((showobj.Y + showobj.h + menuobj.h > document.documentElement.scrollTop + document.documentElement.clientHeight) && (showobj.Y - menuobj.h >= 0)) ? (showobj.Y - menuobj.h) + 'px' : showobj.Y + showobj.h + 'px');
} else if(offset == 3) {
menuobj.style.left = (document.body.clientWidth - menuobj.clientWidth) / 2 + document.body.scrollLeft + 'px';
menuobj.style.top = (document.body.clientHeight - menuobj.clientHeight) / 2 + document.body.scrollTop + 'px';
}
if(menuobj.style.clip && !is_opera) {
menuobj.style.clip = 'rect(auto, auto, auto, auto)';
}
}
}
function hideMenu(layer) {
if(isUndefined(layer)) layer = 0;
if(jsmenu['active'][layer]) {
try {
$(jsmenu['active'][layer].ctrlkey).className = ctrlobjclassName;
} catch(e) {}
clearTimeout(jsmenu['timer'][jsmenu['active'][layer].ctrlkey]);
jsmenu['active'][layer].style.display = 'none';
if(is_ie && is_ie < 7 && jsmenu['iframe'][layer]) {
jsmenu['iframe'][layer].style.display = 'none';
}
jsmenu['active'][layer] = null;
}
}
function fetchOffset(obj) {
var left_offset = obj.offsetLeft;
var top_offset = obj.offsetTop;
while((obj = obj.offsetParent) != null) {
left_offset += obj.offsetLeft;
top_offset += obj.offsetTop;
}
return { 'left' : left_offset, 'top' : top_offset };
}
function ebygum(eventobj) {
if(!eventobj || is_ie) {
window.event.cancelBubble = true;
return window.event;
} else {
if(eventobj.target.type == 'submit') {
eventobj.target.form.submit();
}
eventobj.stopPropagation();
return eventobj;
}
}
function menuoption_onclick_function(e) {
this.clickfunc();
hideMenu();
}
function menuoption_onclick_link(e) {
choose(e, this);
}
function menuoption_onmouseover(e) {
this.className = 'popupmenu_highlight';
}
function menuoption_onmouseout(e) {
this.className = 'popupmenu_option';
}
function choose(e, obj) {
var links = obj.getElementsByTagName('a');
if(links[0]) {
if(is_ie) {
links[0].click();
window.event.cancelBubble = true;
} else {
if(e.shiftKey) {
window.open(links[0].href);
e.stopPropagation();
e.preventDefault();
} else {
window.location = links[0].href;
e.stopPropagation();
e.preventDefault();
}
}
hideMenu();
}
}
function smiletypescroll(direct) {
if(direct == 0) {
$('smileytypes').scrollTop -= 28;
} else {
$('smileytypes').scrollTop += 28;
}
}
var Ajaxs = new Array();
var AjaxStacks = new Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
var attackevasive = isUndefined(attackevasive) ? 0 : attackevasive;
function Ajax(recvType, waitId) {
for(var stackId = 0; stackId < AjaxStacks.length && AjaxStacks[stackId] != 0; stackId++);
AjaxStacks[stackId] = 1;
var aj = new Object();
aj.loading = 'Loading...';//public
aj.recvType = recvType ? recvType : 'XML';//public
aj.waitId = waitId ? $(waitId) : null;//public
aj.resultHandle = null;//private
aj.sendString = '';//private
aj.targetUrl = '';//private
aj.stackId = 0;
aj.stackId = stackId;
aj.setLoading = function(loading) {
if(typeof loading !== 'undefined' && loading !== null) aj.loading = loading;
}
aj.setRecvType = function(recvtype) {
aj.recvType = recvtype;
}
aj.setWaitId = function(waitid) {
aj.waitId = typeof waitid == 'object' ? waitid : $(waitid);
}
aj.createXMLHttpRequest = function() {
var request = false;
if(window.XMLHttpRequest) {
request = new XMLHttpRequest();
if(request.overrideMimeType) {
request.overrideMimeType('text/xml');
}
} else if(window.ActiveXObject) {
var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
for(var i=0; i<versions.length; i++) {
try {
request = new ActiveXObject(versions[i]);
if(request) {
return request;
}
} catch(e) {}
}
}
return request;
}
aj.XMLHttpRequest = aj.createXMLHttpRequest();
aj.showLoading = function() {
if(aj.waitId && (aj.XMLHttpRequest.readyState != 4 || aj.XMLHttpRequest.status != 200)) {
changedisplay(aj.waitId, '');
aj.waitId.innerHTML = '<span><img src="' + IMGDIR + '/loading.gif"> ' + aj.loading + '</span>';
}
}
aj.processHandle = function() {
if(aj.XMLHttpRequest.readyState == 4 && aj.XMLHttpRequest.status == 200) {
for(k in Ajaxs) {
if(Ajaxs[k] == aj.targetUrl) {
Ajaxs[k] = null;
}
}
if(aj.waitId) changedisplay(aj.waitId, 'none');
if(aj.recvType == 'HTML') {
aj.resultHandle(aj.XMLHttpRequest.responseText, aj);
} else if(aj.recvType == 'XML') {
aj.resultHandle(aj.XMLHttpRequest.responseXML.lastChild.firstChild.nodeValue, aj);
}
AjaxStacks[aj.stackId] = 0;
}
}
aj.get = function(targetUrl, resultHandle) {
setTimeout(function(){aj.showLoading()}, 500);
if(in_array(targetUrl, Ajaxs)) {
return false;
} else {
Ajaxs.push(targetUrl);
}
aj.targetUrl = targetUrl;
aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
aj.resultHandle = resultHandle;
var delay = attackevasive & 1 ? (aj.stackId + 1) * 1001 : 100;
if(window.XMLHttpRequest) {
setTimeout(function(){
aj.XMLHttpRequest.open('GET', aj.targetUrl);
aj.XMLHttpRequest.send(null);}, delay);
} else {
setTimeout(function(){
aj.XMLHttpRequest.open("GET", targetUrl, true);
aj.XMLHttpRequest.send();}, delay);
}
}
aj.post = function(targetUrl, sendString, resultHandle) {
setTimeout(function(){aj.showLoading()}, 500);
if(in_array(targetUrl, Ajaxs)) {
return false;
} else {
Ajaxs.push(targetUrl);
}
aj.targetUrl = targetUrl;
aj.sendString = sendString;
aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
aj.resultHandle = resultHandle;
aj.XMLHttpRequest.open('POST', targetUrl);
aj.XMLHttpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
aj.XMLHttpRequest.send(aj.sendString);
}
return aj;
}
function newfunction(func){
var args = new Array();
for(var i=1; i<arguments.length; i++) args.push(arguments[i]);
return function(event){
doane(event);
window[func].apply(window, args);
return false;
}
}
function changedisplay(obj, display) {
if(display == 'auto') {
obj.style.display = obj.style.display == '' ? 'none' : '';
} else {
obj.style.display = display;
}
return false;
}
var evalscripts = new Array();
function evalscript(s) {
if(s.indexOf('<script') == -1) return s;
var p = /<script[^\>]*?src=\"([^\>]*?)\"[^\>]*?(reload=\"1\")?(?:charset=\"([\w\-]+?)\")?><\/script>/ig;
var arr = new Array();
while(arr = p.exec(s)) {
appendscript(arr[1], '', arr[2], arr[3]);
}
s = s.replace(p, '');
p = /<script(.*?)>([^\x00]+?)<\/script>/ig;
while(arr = p.exec(s)) {
appendscript('', arr[2], arr[1].indexOf('reload=') != -1);
}
return s;
}
function appendscript(src, text, reload, charset) {
var id = hash(src + text);
if(!reload && in_array(id, evalscripts)) return;
if(reload && $(id)) {
$(id).parentNode.removeChild($(id));
}
evalscripts.push(id);
var scriptNode = document.createElement("script");
scriptNode.type = "text/javascript";
scriptNode.id = id;
scriptNode.charset = charset;
try {
if(src) {
scriptNode.src = src;
} else if(text){
scriptNode.text = text;
}
$('append_parent').appendChild(scriptNode);
} catch(e) {}
}
function stripscript(s) {
return s.replace(/<script.*?>.*?<\/script>/ig, '');
}
discuz中用到的js不论是多浏览器兼容性和实用性都是非常不错的，推荐大家看下
function ajaxupdateevents(obj, tagName) {
tagName = tagName ? tagName : 'A';
var objs = obj.getElementsByTagName(tagName);
for(k in objs) {
var o = objs[k];
ajaxupdateevent(o);
}
}
function ajaxupdateevent(o) {
if(typeof o == 'object' && o.getAttribute) {
if(o.getAttribute('ajaxtarget')) {
if(!o.id) o.id = Math.random();
var ajaxevent = o.getAttribute('ajaxevent') ? o.getAttribute('ajaxevent') : 'click';
var ajaxurl = o.getAttribute('ajaxurl') ? o.getAttribute('ajaxurl') : o.href;
_attachEvent(o, ajaxevent, newfunction('ajaxget', ajaxurl, o.getAttribute('ajaxtarget'), o.getAttribute('ajaxwaitid'), o.getAttribute('ajaxloading'), o.getAttribute('ajaxdisplay')));
if(o.getAttribute('ajaxfunc')) {
o.getAttribute('ajaxfunc').match(/(\w+)\((.+?)\)/);
_attachEvent(o, ajaxevent, newfunction(RegExp.$1, RegExp.$2));
}
}
}
}
/*
*@ url: 需求请求的 url
*@ id : 显示的 id
*@ waitid: 等待的 id，默认为显示的 id，如果 waitid 为空字符串，则不显示 loading...， 如果为 null，则在 showid 区域显示
*@ linkid: 是哪个链接触发的该 ajax 请求，该对象的属性(如 ajaxdisplay)保存了一些 ajax 请求过程需要的数据。
*/
function ajaxget(url, showid, waitid, loading, display, recall) {
waitid = typeof waitid == 'undefined' || waitid === null ? showid : waitid;
var x = new Ajax();
x.setLoading(loading);
x.setWaitId(waitid);
x.display = typeof display == 'undefined' || display == null ? '' : display;
x.showId = $(showid);
if(x.showId) x.showId.orgdisplay = typeof x.showId.orgdisplay === 'undefined' ? x.showId.style.display : x.showId.orgdisplay;
if(url.substr(strlen(url) - 1) == '#') {
url = url.substr(0, strlen(url) - 1);
x.autogoto = 1;
}
var url = url + '&inajax=1&ajaxtarget=' + showid;
x.get(url, function(s, x) {
evaled = false;
if(s.indexOf('ajaxerror') != -1) {
evalscript(s);
evaled = true;
}
if(!evaled && (typeof ajaxerror == 'undefined' || !ajaxerror)) {
if(x.showId) {
changedisplay(x.showId, x.showId.orgdisplay);
changedisplay(x.showId, x.display);
x.showId.orgdisplay = x.showId.style.display;
ajaxinnerhtml(x.showId, s);
ajaxupdateevents(x.showId);
if(x.autogoto) scroll(0, x.showId.offsetTop);
}
}
if(!evaled)evalscript(s);
ajaxerror = null;
if(recall) {eval(recall);}
});
}
var ajaxpostHandle = 0;
function ajaxpost(formid, showid, waitid) {
showloading();
var waitid = typeof waitid == 'undefined' || waitid === null ? showid : (waitid !== '' ? waitid : '');
if(ajaxpostHandle != 0) {
return false;
}
var ajaxframeid = 'ajaxframe';
var ajaxframe = $(ajaxframeid);
if(ajaxframe == null) {
if (is_ie && !is_opera) {
ajaxframe = document.createElement("<iframe name='" + ajaxframeid + "' id='" + ajaxframeid + "'></iframe>");
} else {
ajaxframe = document.createElement("iframe");
ajaxframe.name = ajaxframeid;
ajaxframe.id = ajaxframeid;
}
//ajaxframe.id = ajaxframeid;
ajaxframe.style.display = 'none';
$('append_parent').appendChild(ajaxframe);
}
$(formid).target = ajaxframeid;
ajaxpostHandle = [showid, ajaxframeid, formid, $(formid).target];
if(ajaxframe.attachEvent) {
ajaxframe.detachEvent ('onload', ajaxpost_load);
ajaxframe.attachEvent('onload', ajaxpost_load);
} else {
document.removeEventListener('load', ajaxpost_load, true);
ajaxframe.addEventListener('load', ajaxpost_load, false);
}
$(formid).submit();
return false;
//$(waitid).innerHTML = 'Loading...';
}
function ajaxpost_load() {
showloading('none');
if(is_ie) {
var s = $(ajaxpostHandle[1]).contentWindow.document.XMLDocument.text;
} else {
var s = $(ajaxpostHandle[1]).contentWindow.document.documentElement.firstChild.nodeValue;
}
evaled = false;
if(s.indexOf('ajaxerror') != -1) {
evalscript(s);
evaled = true;
}
if(!evaled && (typeof ajaxerror == 'undefined' || !ajaxerror)) {
ajaxinnerhtml($(ajaxpostHandle[0]), s);
if(!evaled)evalscript(s);
setMenuPosition($(ajaxpostHandle[0]).ctrlid, 0);
setTimeout("hideMenu()", 3000);
}
ajaxerror = null;
if($(ajaxpostHandle[2])) {
$(ajaxpostHandle[2]).target = ajaxpostHandle[3];
//$(ajaxpostHandle[2]).removeChild($(ajaxpostHandle[1]));
}
ajaxpostHandle = 0;
}
function ajaxmenu(e, ctrlid, timeout, func, cache, duration, ismenu, divclass, optionclass) {
showloading();
if(jsmenu['active'][0] && jsmenu['active'][0].ctrlkey == ctrlid) {
hideMenu();
doane(e);
return;
} else if(is_ie && is_ie < 7 && document.readyState.toLowerCase() != 'complete') {
return;
}
if(isUndefined(timeout)) timeout = 3000;
if(isUndefined(func)) func = '';
if(isUndefined(cache)) cache = 1;
if(isUndefined(divclass)) divclass = 'popupmenu_popup';
if(isUndefined(optionclass)) optionclass = 'popupmenu_option';
if(isUndefined(ismenu)) ismenu = 1;
if(isUndefined(duration)) duration = timeout > 0 ? 0 : 3;
var div = $(ctrlid + '_menu');
if(cache && div) {
showMenu(ctrlid, e.type == 'click', 0, duration, timeout, 0, ctrlid, 400, 1);
if(func) setTimeout(func + '(' + ctrlid + ')', timeout);
doane(e);
} else {
if(!div) {
div = document.createElement('div');
div.ctrlid = ctrlid;
div.id = ctrlid + '_menu';
div.style.display = 'none';
div.className = divclass;
$('append_parent').appendChild(div);
}
var x = new Ajax();
var href = !isUndefined($(ctrlid).href) ? $(ctrlid).href : $(ctrlid).attributes['href'].value;
x.div = div;
x.etype = e.type;
x.optionclass = optionclass;
x.duration = duration;
x.timeout = timeout;
x.get(href + '&inajax=1&ajaxmenuid='+ctrlid+'_menu', function(s) {
evaled = false;
if(s.indexOf('ajaxerror') != -1) {
evalscript(s);
evaled = true;
if(!cache && duration != 3 && x.div.id) setTimeout('$("append_parent").removeChild($(\'' + x.div.id + '\'))', timeout);
}
if(!evaled && (typeof ajaxerror == 'undefined' || !ajaxerror)) {
if(x.div) x.div.innerHTML = '<div class="' + x.optionclass + '">' + s + '</div>';
showMenu(ctrlid, x.etype == 'click', 0, x.duration, x.timeout, 0, ctrlid, 400, 1);
if(func) setTimeout(func + '("' + ctrlid + '")', x.timeout);
//if(!cache && duration != 3 && x.div.id) setTimeout('document.body.removeChild($(\'' + x.div.id + '\'))', timeout);
}
if(!evaled) evalscript(s);
ajaxerror = null;
showloading('none');
});
doane(e);
}
}
//得到一个定长的hash值， 依赖于 stringxor()
function hash(string, length) {
var length = length ? length : 32;
var start = 0;
var i = 0;
var result = '';
filllen = length - string.length % length;
for(i = 0; i < filllen; i++){
string += "0";
}
while(start < string.length) {
result = stringxor(result, string.substr(start, length));
start += length;
}
return result;
}
function stringxor(s1, s2) {
var s = '';
var hash = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
var max = Math.max(s1.length, s2.length);
for(var i=0; i<max; i++) {
var k = s1.charCodeAt(i) ^ s2.charCodeAt(i);
s += hash.charAt(k % 52);
}
return s;
}
function showloading(display, waiting) {
var display = display ? display : 'block';
var waiting = waiting ? waiting : 'Loading...';
$('ajaxwaitid').innerHTML = waiting;
$('ajaxwaitid').style.display = display;
}
function ajaxinnerhtml(showid, s) {
if(showid.tagName != 'TBODY') {
showid.innerHTML = s;
} else {
while(showid.firstChild) {
showid.firstChild.parentNode.removeChild(showid.firstChild);
}
var div1 = document.createElement('DIV');
div1.id = showid.id+'_div';
div1.innerHTML = '<table><tbody id="'+showid.id+'_tbody">'+s+'</tbody></table>';
$('append_parent').appendChild(div1);
var trs = div1.getElementsByTagName('TR');
var l = trs.length;
for(var i=0; i<l; i++) {
showid.appendChild(trs[0]);
}
var inputs = div1.getElementsByTagName('INPUT');
var l = inputs.length;
for(var i=0; i<l; i++) {
showid.appendChild(inputs[0]);
}
div1.parentNode.removeChild(div1);
}
}
var hiddenobj = new Array();
var pmwinposition = new Array();
function pmwin(action, param) {
var objs = document.getElementsByTagName("OBJECT");
if(action == 'open') {
for(i = 0;i < objs.length; i ++) {
if(objs[i].style.visibility != 'hidden') {
objs[i].setAttribute("oldvisibility", objs[i].style.visibility);
objs[i].style.visibility = 'hidden';
}
}
var clientWidth = document.body.clientWidth;
var clientHeight = document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
var scrollTop = document.body.scrollTop ? document.body.scrollTop : document.documentElement.scrollTop;
var pmwidth = 800;
var pmheight = clientHeight * 0.9;
if(!$('pmlayer')) {
div = document.createElement('div');div.id = 'pmlayer';
div.style.width = pmwidth + 'px';
div.style.height = pmheight + 'px';
div.style.left = ((clientWidth - pmwidth) / 2) + 'px';
div.style.position = 'absolute';
div.style.zIndex = '999';
$('append_parent').appendChild(div);
$('pmlayer').innerHTML = '<div style="width: 800px; background: #666666; margin: 5px auto; text-align: left">' +
'<div style="width: 800px; height: ' + pmheight + 'px; padding: 1px; background: #FFFFFF; border: 1px solid #7597B8; position: relative; left: -6px; top: -3px">' +
'<div onmouseover="pmwindrag(this)" style="cursor: move; position: relative; left: 0px; top: 0px; width: 800px; height: 30px; margin-bottom: -30px;"></div>' +
'<a href="###" onclick="pmwin(\'close\')"><img style="position: absolute; right: 20px; top: 15px" src="' + IMGDIR +'/close.gif" title="关闭" /></a>' +
'<div id="pmwinmask" style="margin-top: 30px; position: absolute; width: 100%; height: 100%; display: none"></div><iframe id="pmframe" name="pmframe" style="width:' + pmwidth + 'px;height:100%" allowTransparency="true" frameborder="0"></iframe></div></div>';
}
$('pmlayer').style.display = '';
$('pmlayer').style.top = ((clientHeight - pmheight) / 2 + scrollTop) + 'px';
if(!param) {
pmframe.location = 'pm.php';
} else {
pmframe.location = 'pm.php?' + param;
}
} else if(action == 'close') {
for(i = 0;i < objs.length; i ++) {
if(objs[i].attributes['oldvisibility']) {
objs[i].style.visibility = objs[i].attributes['oldvisibility'].nodeValue;
objs[i].removeAttribute('oldvisibility');
}
}
hiddenobj = new Array();
$('pmlayer').style.display = 'none';
}
}
var pmwindragstart = new Array();
function pmwindrag(obj) {
obj.onmousedown = function(e) {
if(is_ie) {
document.body.onselectstart = function() {
return false;
}
}
pmwindragstart = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
pmwindragstart[2] = parseInt($('pmlayer').style.left);
pmwindragstart[3] = parseInt($('pmlayer').style.top);
$('pmwinmask').style.display = '';
doane(e);
}
_attachEvent(document.body, 'mousemove', function(e) {
if(pmwindragstart[0]) {
var pmwindragnow = is_ie ? [event.clientX, event.clientY] : [e.clientX, e.clientY];
with($('pmlayer')) {
style.left = (pmwindragstart[2] + pmwindragnow[0] - pmwindragstart[0]) + 'px';
style.top = (pmwindragstart[3] + pmwindragnow[1] - pmwindragstart[1]) + 'px';
}
doane(e);
}
});
obj.onmouseup = function(e) {
if(is_ie) {
document.body.onselectstart = function() {
return true;
}
}
pmwindragstart = [];
$('pmwinmask').style.display = 'none';
doane(e);
}
obj.onmouseover = null;
}
function pmchecknew() {
ajaxget('pm.php?checknewpm=' + Math.random(), 'pmnotice', 'ajaxwaitid');
}
var discuz_uid = isUndefined(discuz_uid) ? 0 : discuz_uid;
if(discuz_uid && !getcookie('checkpm') && typeof IN_ADMINCP == 'undefined') {
if(document.attachEvent) {
window.attachEvent('onload', pmchecknew);
} else {
window.addEventListener('load', pmchecknew, false);
}
}

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