cMeses = Array (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)

dIndex = 0
mIndex = 0

function crefrescar()
{
 aux = false
 dia = document.getElementById('cdia').selectedIndex + 1;
 mes = document.getElementById('cmes').selectedIndex + 1;
 for (i=0; i<cdatos.length; i++)
 {
  if ((cdatos[i][0] == mes) & (cdatos[i][1] == dia)) aux = true 
 }
 if (aux)
 {
  document.getElementById('ver_cita').value = 'Ver cita biblica'
  document.getElementById('ver_cita').disabled = false
 }
 else
 {
  document.getElementById('ver_cita').value = 'No disponible para este dia'
  document.getElementById('ver_cita').disabled = true
 }
 document.getElementById('cdia').style.width=40
}

function cquitarOpciones()
{
 combo = document.getElementById('cdia')
 for (i = 0; i < combo.length; i++)
  combo.options[i] = null
}

function cactualizar()
{
 combo = document.getElementById('cmes')
 mIndex = combo.selectedIndex
 if (cMeses[mIndex] <= dIndex) dIndex = 0
 
 cquitarOpciones()
 for (i = 0; i < cMeses[mIndex]; i++)
 	document.getElementById('cdia').options[i] = new Option(i + 1, i + 1)
 document.getElementById('cdia').selectedIndex = dIndex
 crefrescar()
}

function cactDia()
{
 dIndex = document.getElementById('cdia').selectedIndex
 crefrescar()
}

function cponerFecha(m, d)
{
 
 mIndex = m - 1
 document.getElementById('cmes').selectedIndex = mIndex

 dIndex = d - 1
 document.getElementById('cdia').selectedIndex = dIndex
  cactualizar()
}