validate_chinese_id_number

this is a jquery plugin which is to validate chinese id number that involves 15 and 18 length

##Usage method

$('#IdCard').CheckIdCard();

$('#IdCard').CheckIdCard({
    success:function(){...},
    failure:function(){...},
    checklength:function(){...}
});

##Example:

<input type="text" value="" id="IdCard"/> <button type="button" onclick=" $('#IdCard').CheckIdCard()">Check</button>