回车触发单击按钮

<script>function globelQuery(event) {            if ((event.keyCode == 13) && (event.srcElement == document.getElementById("searchText"))) {                var searchText = $("#searchText").val();                if (searchText != "") {                    var url = '@Url.Action("search","home")' + "?searchText=" + searchText;                    window.location.href = url;                }            }        }</script><input type="text" id="searchText" onkeydown="globelQuery(event);"/> <input type="button" id="searchBtn" />