Ajax提交

function deleteSoc(_socId){
var request;
var url ="<%=contextPath%>/SOC.do?callMethod=deleteASoc&socId="+_socId;
if (window.XMLHttpRequest) {
        request = new XMLHttpRequest();
    } else if (window.ActiveXObject) {
        try {
            request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch(e) {
            request = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
request.onreadystatechange = function(){
if(request.readyState == 4){
    _submitSocSearchForm();
}
};  
    request.open('GET', url, true);
    request.send('');
}