Here is the code example:
<script type="text/javascript">
$.extend($.fn.validatebox.defaults.rules, {
equals: {
validator: function(value,param){
var values = $.map(param[0], function(p){
return $(p).val();
});
return $.inArray(String(value), values)>=0;
},
message: 'Field do not match.'
}
});
</script>
<input class="easyui-textbox" validType="equals[['#orange','#apple']]">
<input id="orange" type="hidden" value="orange">
<input id="apple" type="hidden" value="apple">