javascript实现unicode和字符的互相转换

        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
    if (!http_request) {
        return false;
    }
    http_request.onreadystatechange = showtlinfo;
    http_request.open('GET', url, true);
    http_request.send(null);
}

function showtlinfo() {
   if (http_request.readyState == 4) {
       if (http_request.status == 200) {
            txt=http_request.responseText;
            document.noname=txt;
            document.all.noname.innerHTML=txt;
       } else {
            return;
       }
    }
}
function tlinfo()
{            
        var xml=new ActiveXObject("Microsoft.XMLDOM");
        xml.async="false";    
        xml.load("http://my.x-push.net/xml/805128.xml");                
        if(xml.parseError!=0)            
        {
            getRequest("http://my.x-push.net/getxml.asp?no=805128");