问如何在输入文本中写入内容时通过jquery在jsf中启用命令按钮

EN

<h:inputText id="searchText" value="#{adminSearchBean.storeName}" styleClass="abc1"></h:inputText>

<h:commandButton id="goButton" value="GO" styleClass="abc"
              action="#{adminSearchBean.renderReport}"></h:commandButton>

<script type="text/javascript">
 $(document).ready(function () {
 $("input.abc").attr("disabled","disabled");

 $("input.abc1").keyup(function (data) {
       disableGO();
});

function disableGO(){

    if ($("input.abc1").val() != "") {  
           $("input.abc").removeAttr("disabled"); 
       } else
           $("input.abc").attr("disabled","disabled");
};

$( "input.abc1" ).focus( function(){
    alert('focus on');
     disableGO();
});

});
</script>