function troca_span(quem){
	if(document.getElementById(quem).style.display == ""){
		document.getElementById(quem).style.display = "none";
	}else if(document.getElementById(quem).style.display == "none"){
		document.getElementById(quem).style.display = "";
	}
}

 function Numero() 
    { 
      if (event.keyCode == '13') 
         {} 
      else if (event.keyCode < '48' || event.keyCode > '58') 
         {
           event.keyCode = '127'; 
         } 
    }

 function Moeda(obj)
  {
   var objeto,valor,valor2,formatado
   valor=""
   valor2=""
   formatado=""
   obj.value=obj.value.replace(",","")
   obj.value=obj.value.replace(".","")
   obj.value=obj.value.replace(".","")
   obj.value=obj.value.replace(".","")
   objeto=obj.value.substr(0,obj.value.length-2)
   if (obj.value.length >= 6)
     {
       for (i=1;i<=objeto.length;i++)
         {
           if ((i-1)%3==0 && i!=1)
              {
                valor="."+objeto.substr(objeto.length-i+1,3)+valor;
                valor2=objeto.substr(0,objeto.length-i+1);
                formatado=valor2+valor;
              }
         }
      obj.value=formatado+obj.value.substr(obj.value.length-2,obj.value.length)
     }
   if(obj.value.length >= 3)
      obj.value = obj.value.substr(0,obj.value.length-2)+","+obj.value.substr(obj.value.length-2,obj.value.length);
  }