71街

function ajaxpost(formid, showid, waitid, showidclass, submitbtn, recall) {
 var waitid = typeof waitid == 'undefined' || waitid === null ? showid : (waitid !== '' ? waitid : '');
 var showidclass = !showidclass ? '' : showidclass;
 var ajaxframeid = 'ajaxframe';
 var ajaxframe = $(ajaxframeid);
 var formtarget = $(formid).target;
 
var handleResult = function() {
 var s = '';
 var evaled = false;
 
showloading('none');
 try {
 s = $(ajaxframeid).contentWindow.document.XMLDocument.text;
 } catch(e) {
 try {
 s = $(ajaxframeid).contentWindow.document.documentElement.firstChild.wholeText;
 } catch(e) {
 try {
 s = $(ajaxframeid).contentWindow.document.documentElement.firstChild.nodeValue;
 } catch(e) {
 s = '内部错误，无法显示此内容';
 }
 }
 }
 
if(s != '' && s.indexOf('ajaxerror') != -1) {
 evalscript(s);
 evaled = true;
 }
 if(showidclass) {
 $(showid).className = showidclass;
 if(submitbtn) {
 submitbtn.disabled = false;
 }
 }
 if(!evaled && (typeof ajaxerror == 'undefined' || !ajaxerror)) {
 ajaxinnerhtml($(showid), s);
 }
 ajaxerror = null;
 if($(formid)) $(formid).target = formtarget;
 if(typeof recall == 'function') {
 recall();
 } else {
 eval(recall);
 }
 if(!evaled) evalscript(s);
 ajaxframe.loading = 0;
 $('append_parent').removeChild(ajaxframe);
 };
 if(!ajaxframe) {
 try{
 ajaxframe = document.createElement('<iframe name="' + ajaxframeid + '" id="' + ajaxframeid + '"></iframe>');
 }catch(e){
 ajaxframe = document.createElement('iframe');
 ajaxframe.name = ajaxframeid;
 ajaxframe.id = ajaxframeid;
 }
 ajaxframe.style.display = 'none';
 ajaxframe.loading = 1;
 $('append_parent').appendChild(ajaxframe);
 } else if(ajaxframe.loading) {
 return false;
 }
 
_attachEvent(ajaxframe, 'load', handleResult);
 
showloading();
 $(formid).target = ajaxframeid;
 $(formid).action += '&inajax=1';
 $(formid).submit();
 return false;
}

Array.prototype.shuffle = function() {
for(var j, x, i = this.length; i; j = parseInt(Math.random() * i), x = this[--i], this[i] = this[j], this[j] = x);
return this;
};
 
非原创，纯分享