var monthNames = new makeArray(12);
monthNames[0] = "Enero";
monthNames[1] = "Febrero";
monthNames[2] = "Marzo";
monthNames[3] = "Abril";
monthNames[4] = "Mayo";
monthNames[5] = "Junio";
monthNames[6] = "Julio";
monthNames[7] = "Agosto";
monthNames[8] = "Septiembre";
monthNames[9] = "Octubre";
monthNames[10] = "Noviembre";
monthNames[11] = "Diciembre";

// Array de los días

var dayNames = new makeArray(7);
dayNames[0] = "Domingo";
dayNames[1] = "Lunes";
dayNames[2] = "Martes";
dayNames[3] = "Miércoles";
dayNames[4] = "Jueves";
dayNames[5] = "Viernes";
dayNames[6] = "Sábado";

var now = new Date();
var year = now.getYear();

if (year < 2000) year = year + 1900;

function makeArray(len)
{
for (var i = 0; i < len; i++) this[i] = null;
this.length = len;
}

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) { //v3.0
  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); return x;
}

function MM_nbGroup(event, grpName) { //v3.0
  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];
      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") {
    if ((nbArr = document[grpName]) != null)
      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];
      nbArr[nbArr.length] = img;
  } }
}

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_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 requerido(campo, id){
	if ((campo.value.length==0 || campo.value.length ==undefined) && campo.style.visibility!='hidden') {
		alert("El campo " + id + " es requerido");
		if(campo.type!='hidden' && !campo.disabled){
			campo.focus();
		}		
		return false;
	} else {
		return true;
	}
}
function letras (campo, id) {
	var charpos = campo.value.search("[^A-Za-z]"); 
	if(campo.value.length > 0 &&  charpos >= 0) { 
		strError = "El campo " + id +" solo permite letras "; 
		alert(strError + "\n [Posicion del caracter erróneo: " + eval(charpos+1)+"]"); 
		campo.focus();
		return false; 
	} else {//if 
		return true;
	}
}  
function numerico(campo, id) {
 
	var charpos = campo.value.search("[^0-9]"); 
    if (campo.value.length > 0 &&  charpos >= 0)  { 
    	strError = "El campo "+id+" solo acepta digitos "; 
	    alert(strError + "\n [El caracter erróneo esta en la posicion: " + eval(charpos+1)+"]"); 
		campo.focus();
	    return false; 
	} else {
		return true;
	}
}
function alfanumerico(campo, id){ 
	var charpos = campo.value.search("[^A-Za-z0-9., ]"); 
	if(campo.value.length > 0 &&  charpos >= 0) { 
		strError = "El campo "+id+" solo aceptar letras de A a la Z y digitos"; 
		alert(strError + "\n [Posición del caracter erróneo: " + eval(charpos+1)+"]"); 
		campo.focus();
		return false; 
	} else {//if 
		return true;
	}
}