function mascara(o,f){
    v_obj=o
    v_fun=f
    setTimeout("execmascara()",1)
}

function execmascara(){
    v_obj.value=v_fun(v_obj.value)
}

function soNumeros(v){
    return v.replace(/\D/g,"")
}

function java_telefone(v){
    v=v.replace(/\D/g,"")
    v=v.replace(/^(\d\d)(\d)/g,"($1) $2")
    v=v.replace(/(\d{4})(\d)/,"$1-$2")
    return v
}