;(function($){
$.fn.fontSizer = function(settings){
defaults = {
action: "up",
increment: 1,
max: 30,
min: 8,
widget: {css: ["mas","menos"]},
headers: {},
debug: false},
this.click(function(){
if(settings['elements'] == "")
return;
elements = settings['elements'];
var action = $.trim((settings['action']==undefined)? defaults.action:settings['action']);
var factor = parseInt((settings['increment']==undefined)? defaults.increment:settings['increment']);
var max = parseInt((settings['max']==undefined)? defaults.max:settings['max']);
var min = parseInt((settings['min']==undefined)? defaults.min:settings['min']);
var patron = /px$/;
if ($(elements).children().size() == 0){
tamanno = $(elements).css('font-size');
if (action == "up"){
new_tamanno = parseInt(tamanno.replace(patron, '')) + factor;
if(new_tamanno > max){return;}
}else{
new_tamanno = parseInt(tamanno.replace(patron, '')) - factor;
if(new_tamanno < min){return;}}
$(elements).css('font-size',new_tamanno+'px');}
else{
$(elements).children().each(function(){
tamanno = $(this).css('font-size');
if (action == "up"){
new_tamanno = parseInt(tamanno.replace(patron, '')) + factor;
if(new_tamanno > max){return;}}
else{
new_tamanno = parseInt(tamanno.replace(patron, '')) - factor;
if(new_tamanno < min){return;}}
$(this).css('font-size',new_tamanno+'px');
});}})}})(jQuery);