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// jQuery Meio Mask
$('#celular').setMask("(99) 9999-99999").ready(function(event) {
    var target, phone, element;
    target = (event.currentTarget) ? event.currentTarget : event.srcElement;
    phone = target.value.replace(/\D/g, '');
    element = $(target);
    element.unsetMask();
    if(phone.length > 10) {
        element.setMask("(99) 99999-9999");
    } else {
        element.setMask("(99) 9999-99999");
    }
});