/****** Creado por Franz Gualambo ***************/
/***** Email : gualambo@gmail.com  *****************/
(function(a){a.fn.validCampoFranz=function(b){a(this).on({keypress:function(a){var c=a.which,d=a.keyCode,e=String.fromCharCode(c).toLowerCase(),f=b;(-1!=f.indexOf(e)||9==d||37!=c&&37==d||39==d&&39!=c||8==d||46==d&&46!=c)&&161!=c||a.preventDefault()}})}})(jQuery);