var $jQmask = jQuery.noConflict();

jQuery(function($){
   $jQmask(".mask_data").mask("99/99/9999",{placeholder:"_"});
   $jQmask(".mask_fone").mask("(99) 9999.9999",{placeholder:"_"});
   $jQmask(".mask_minifone").mask("9999.9999",{placeholder:"_"});
   $jQmask(".mask_cep").mask("99999-999",{placeholder:"_"});
   $jQmask(".mask_moeda").maskMoney({symbol:"R$",decimal:",",thousands:"."})
});

// Somente números
$jQmask(document).ready(function() {
//    $jQmask(".mask_numerico").keydown(function(event) {
    $jQmask(".mask_numerico").keypress(function(event) {
        // Allow only backspace and delete
        if ( event.keyCode == 46 || event.keyCode == 8 ) {
                // let it happen, don't do anything
        }
        else {
                // Ensure that it is a number and stop the keypress
                if (event.keyCode < 48 || event.keyCode > 57 ) { event.preventDefault(); }       
        }
    });
});