cookie 暂时保存内容与恢复

<script type="text/javascript">
$(function(){
    $('.ycb_anniu').click(function(){
        $.cookie('CHEJIAN','');
        $('form').submit();
    });
});
function a(){
    var chejian=$('#name').val()+';';
        chejian+=$('#tel').val()+';';
        chejian+=$('#carnum').val()+';';
        chejian+=$('#cartype').find("option:selected").val()+';';
        chejian+=$('input:radio[name=carchecktype]:checked').attr('value');
    $.cookie('CHEJIAN',chejian);
}
function b(){
    if($.cookie('CHEJIAN')){
        var chejian=new Array();
        var chejian = $.cookie('CHEJIAN').split(';');
        $('#name').val(chejian[0]);
        $('#tel').val(chejian[1]);
        $('#carnum').val(chejian[2]);
         $("#cartype").find("option[value="+chejian[3]+"]").attr("selected",true);
        $('input:radio[value='+chejian[4]+']').attr("checked","checked");
    }
}
b();

</script>