单选框radio改变事件

<input type="radio" name="bedstatus" id="allot" checked="checked" value="allot">allot
<input type="radio" name="bedstatus" id="transfer" value="transfer">transfer




$(document).ready(function() {
    $('input[type=radio][name=bedstatus]').change(function() {
        if (this.value == 'allot') {
            alert("allot thai gayo bhai");
        }
        else if (this.value == 'transfer') {
            alert("transfer thai gayo");
        }
    });
});