$.ajax({                        type: "POST",                        url: '${contextPath}/analyse/detail.do',                        data: {carNum :carNum,ids:refIds},                        success: function(str_response) { var obj = window.open("about:blank");                           obj.document.write(str_response);                        }                    });

function post(URL, PARAMS) { var temp_form = document.createElement("form");                  temp_form .action = URL;                  temp_form .target = "_blank";             temp_form .method = "post";                  temp_form .style.display = "none"; for (var x in PARAMS) { var opt = document.createElement("textarea");                      opt.name = x;                      opt.value = PARAMS[x];                      temp_form .appendChild(opt);                  }                  document.body.appendChild(temp);                  temp_form .submit();             }