function FormatarNumero(num)
{
	x = 0;
	if(num<0) {
      num = Math.abs(num);
      x = 1;
   }

   if(isNaN(num)) num = "0";
      cents = Math.floor((num*100+0.5)%100);

   num = Math.floor((num*100+0.5)/100).toString();

   if(cents < 10) cents = "0" + cents;
      for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
         num = num.substring(0,num.length-(4*i+3))+'.'
               +num.substring(num.length-(4*i+3));

   ret = num + ',' + cents;

   if (x == 1) ret = ' - ' + ret;return ret;

}