var http_request = false;
function send_request(url,name) {//初始化、指定处理函数、发送请求的函数
http_request = false;
//document.body.style.cursor='wait';
//alert(url.indexOf("?"));
if (url.indexOf("?")==-1){dot="?"}else{dot="&"}
url=url+dot+"temptime="+new Date().getTime();
//alert(url);
//开始初始化XMLHttpRequest对象
if(window.XMLHttpRequest) { //Mozilla 浏览器
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {//设置MiME类别
http_request.overrideMimeType('text/xml');
}
}
else if (window.ActiveXObject) { // IE浏览器
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}

if (!http_request) { // 异常，创建对象实例失败
window.alert("不能创建XMLHttpRequest对象实例.");
return false;
}
//http_request.onreadystatechange = processRequest;
//确定发送请求的方式和URL以及是否同步执行下段代码
http_request.open("GET", url, false);
http_request.send(null);
//alert(http_request.responseText);
type=document.getElementById(name).type;
src=document.getElementById(name).src;
//if(scr=="/html/"){document.getElementById(name).src="/images/none.gif"}
if(type=="text" || type=="hidden"){document.getElementById(name).value=http_request.responseText}else{
set_innerHTML(name,'');
set_innerHTML(name,http_request.responseText);
//document.body.style.cursor='default';
}
}