[jQuery] Jquery with ajax and return data is a javascrpt

[jQuery] Jquery with ajax and return data is a javascrpt


I write one paragraph:code
==================
$.get(
            'sad_ajax.php',
                     {
                          option: "pass_blog",
                         password:
encodeURIComponent(document.getElementById("pass_blog").value),
                         action:
encodeURIComponent(document.getElementById("url_act").value),
                         cat_id:
encodeURIComponent(document.getElementById("url_catid").value),
                         topic_id:
encodeURIComponent(document.getElementById("url_topic").value)
                     }
            ,
            function (data) {
                document.getElementById(idContentCenter).innerHTML= data;
            }
        );
====================
when return data, data have value is a paragraph javascript "<script>
window.location='index.php';</script>" but i can not run it, i try it
with function eval(data) it not run too.