一些不错的js函数ajax

//创建组件

function createobj() {

if (window.ActiveXObject) {

return(new ActiveXObject("Microsoft.XMLHTTP"));

}

else if (window.XMLHttpRequest) {

return(new XMLHttpRequest());

}

}

var cs;

//发送请求

function sxs(Fileid) {

if (window.ActiveXObject) {

cs=new ActiveXObject("Microsoft.XMLHTTP");

}

else if (window.XMLHttpRequest) {

cs=new XMLHttpRequest();

}

var my_url="inc/setsession.asp?id="+Fileid+"&rnd="+Math.random();

cs.open("get",my_url,true);

cs.send(null);

}

//调用并返回结果

function Star() {

var oBao=createobj();

var frm= document.logo_frm;

var my_url="logo.asp?name="+frm.username.value+"&pw="+frm.pwd.value+"&rnd="+Math.random();

oBao.open("POST",my_url,false);

oBao.send('');

var strResult = unescape(oBao.responseText);

if (strResult=="yes") {

window.location.reload();

}

else {

alert("登录失败！请重新登录...");

frm.username.value="";

frm.pwd.value="";

hide();

}

}

var h_id;

var h_i=0;

//调用并返回结果,菜单

function getinfo(index) {

var oBao=createobj();

var cont=document.getElementById("menu_detial");

cont.style.top='142px';

cont.style.left=event.x-60;

if(!bro_n){

cont.style.top='142px';

cont.style.left=event.x-60;

}

cont.style.width='150px';

cont.style.display="block";

cont.innerHTML="请等待,加载中...";

cont.style.height="10px";

cont.style.overflowY="hidden";

var my_url="getinfo.asp?type="+index+"&rnd="+Math.random();

oBao.open('post',my_url,true);

oBao.onreadystatechange=function(){

var cont=document.getElementById("menu_detial");

if(oBao.readyState==4){

if(oBao.status==200){

cont.innerHTML=oBao.responseText;

h_i=0;

h_id=window.setInterval("h_change()",30);

}else{

cont.innerHTML='出现错误,错误代码为:'+oBao.status;

}

}

}

oBao.send('');

}

function h_change(){

var cont=document.getElementById("menu_detial");

h_i+=1;

h=parseInt(cont.style.height);

if(h>133){

window.clearInterval(h_id);

h_i=0;

}else{

cont.style.height=16+8*h_i-h_i*h_i*0.1+"px";

}

}

//调用并返回结果

function personalInfo(index) {

var oBao=createobj();

var cont=document.getElementById("person_detial");

var cont_a=document.getElementById("person_content");

cont.style.display='block';

cont.style.width="600px";

cont.style.top=event.y;

cont_a.innerHTML="请等待,加载中...";

var my_url="getinfo.asp?type="+index+"&rnd="+Math.random();

oBao.open('post',my_url,true);

oBao.onreadystatechange=function(){

var cont_a=document.getElementById("person_content");

if(oBao.readyState==4){

if(oBao.status==200){

cont_a.innerHTML=oBao.responseText;

}else{

cont_a.innerHTML='出现错误,错误代码为:'+oBao.status;

}

}

}

oBao.send('');

}

//调用并返回结果

function getNotice(id) {

var oBao=createobj();

var my_url="notice.asp?id="+id+"&rnd="+Math.random();

oBao.open('get',my_url,true);

oBao.onreadystatechange=function(){

var cont_a=document.getElementById("notice");

if(oBao.readyState==4){

if(oBao.status==200){

if(cont_a){

cont_a.innerHTML=oBao.responseText;

}

}else{

cont_a.innerHTML='出现错误,错误代码为:'+oBao.status;

}

}

}

oBao.send('');

}

var notice_id=window.setInterval("getNotice(0)",6000);

//调用并返回结果

function getnoticeById(id) {

var cont_a=document.getElementById("stip_detial");

cont_a.style.display="block";

cont_a.style.top=event.y;

cont_a.style.left=event.x-145;

cont_a.innerHTML="加载中...";

var oBao=createobj();

var my_url="getstip.asp?id="+id+"&rnd="+Math.random();

oBao.open('get',my_url,true);

oBao.onreadystatechange=function(){

if(oBao.readyState==4){

if(oBao.status==200){

if(cont_a){

cont_a.innerHTML=oBao.responseText;

}

}else{

cont_a.innerHTML='出现错误,错误代码为:'+oBao.status;

}

}

}

oBao.send('');

}