// JavaScript Document
function guardar_dia(dia,mes,anyo)
{
 var texto=dia+"/"+mes+"/"+anyo;

window.document.frm_solicitud.fecha.value=texto;

}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function Ajax()
{
  var xmlhttp=false;
  try 
  {
   // Creación del objeto ajax para navegadores diferentes a Explorer
   xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (e) 
  {
   // o bien
   try 
   {
     // Creación del objet ajax para Explorer
     xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } catch (E) {
     xmlhttp = false;
   }
  }

  if (!xmlhttp && typeof XMLHttpRequest!='undefined') 
  {
   xmlhttp = new XMLHttpRequest();
  }
  return xmlhttp;
} 



function previsualizar(fichero, alto, ancho)
{
	window.open("pop.php?file="+fichero+"&alto="+alto+"&ancho="+ancho, "Ampliación", "width="+ancho+", height="+alto+", top=100, left=225");
}


//
// FUNCION number_format
// Entrada: número decimal y número de decimales
// Salida: devuelve una cadena con formato decimal
//
function number_format(num, dec) 
{
	var cad = " " + num;
	var ceros = "", pos, pdec, i;

	for (i=0; i < dec; i++)
	{
		ceros += '0';
	}

	pos = cad.indexOf('.')
	
	if (pos >= 0)
	{
		pdec = num.length - pos -1;
		if (pdec <= dec)
		{
			for (i=0; i< (dec-pdec); i++)
			{
				cad += '0';
			}
        }
        else 
		{
        	num = num*Math.pow(10, dec);
        	num = Math.round(num);
        	num = num/Math.pow(10, dec);
        
        	cad = new String(num);
        }
    }
    return cad;
}



/*function cargar_datos_reserva(reserva, pestana)
{
	document.frm_reservas.reserva.value = reserva;
	document.frm_reservas.pestana.value = pestana;
	document.frm_reservas.submit();
}*/


function permite(elEvento, permitidos) {
  // Variables que definen los caracteres permitidos
  var numeros = "0123456789";
  var caracteres_especiales = "()+-";
  var caracteres = "abcdefghijklmnñopqrstuvwxyzABCDEFGHIJKLMNÑOPQRSTUVWXYZ-";
  var caracteres_DNI="TRWAGMYFPDXBNJZSQVHLCKEtrwagmyfpdxbnjzsqvhlcke";
  var numeros_caracteres = numeros + caracteres;
  var numeros_caracteres_especiales = numeros + caracteres_especiales;
  
 
  // Seleccionar los caracteres a partir del parámetro de la función
  switch(permitidos) {
    case 'num':
      permitidos = numeros;
      break;
    case 'car':
      permitidos = caracteres;
      break;
    case 'num_car':
      permitidos = numeros_caracteres;
      break;
    case 'num_car_especiales':
      permitidos = numeros_caracteres_especiales;
      break;
    case 'num_car_dni':
      permitidos = numeros+caracteres_DNI;
      break;  
  }
 
  // Obtener la tecla pulsada 
  var evento = elEvento || window.event;
  var codigoCaracter = evento.charCode || evento.keyCode;
  var caracter = String.fromCharCode(codigoCaracter);
  
  if (codigoCaracter==8 || codigoCaracter==32) // Codigo borrar o espacio
  {
	 return true;  
  }
  else
   {
    // Comprobar si la tecla pulsada se encuentra en los caracteres permitidos
     return permitidos.indexOf(caracter) != -1;
   }
}