var __nano_docId = null;
var __nano = {
    docId: function() {
        if (null == __nano_docId) {
            var max = 99999999;
            var min = 10000000;
            __nano_docId = Math.floor(Math.random() * (max - min + 1)) + min;
        }
        return __nano_docId;
    },
    docUrl: function() {
        return window.location.href;
    },
    show: function(obj) {
        $(obj).css({visibility: 'visible'});
        //$(obj).show();
    },
    hide: function(obj) {
        $(obj).css({visibility: 'hidden'});
        //$(obj).hide();
    },
    switchTo: function(state){
        switch (state) {
        case 1:
            __nano.hide('#flash-min');
            __nano.hide('#flash-conv');
            __nano.show('#flash-norm');
            break;
        case 2:
            __nano.hide('#flash-min');
            __nano.hide('#flash-norm');
            __nano.show('#flash-conv');
            break;
        case 3:
            __nano.hide('#flash-norm');
            __nano.hide('#flash-conv');
            __nano.show('#flash-min');
            break;
        }
    }
};