function MM_reloadPage(init) {//reloads the window if Nav4 resized
if (init==true) with (navigator) {
	if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; alert(navigator); }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH){ document.location.reload();
}}
MM_reloadPage(true);

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_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_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_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_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

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

function MostrarFilas(Fila) {
var elementos = document.getElementsByName(Fila);
    for (i = 0; i< elementos.length; i++) {
        if(navigator.appName.indexOf("Microsoft") > -1){
               var visible = 'block'
        } else {
               var visible = 'table-row';
        }
		elementos[i].style.display = visible;
        }
}
 
function OcultarFilas(Fila) {
    var elementos = document.getElementsByName(Fila);
    for (k = 0; k< elementos.length; k++) {
        elementos[k].style.display = "none";
    }
}
function LimpiaCampo(campo){
	campo.value = "";
	return true;
}
function limpiar(campo) {
	campo.value="";
} 

function handleEnter (field, event) {
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
	if (keyCode == 13) {
		var i;
		for (i = 0; i < field.form.elements.length; i++)
			if (field == field.form.elements[i])
				break;
		i = field.form.elements[i].tabIndex + 1;
		for( j = 0 ; j < field.form.elements.length; j++){
			if( field.form.elements[j].tabIndex == i){
				break;
			}
		}
		field.form.elements[j].focus();
		return false;
	}
	else
	return true;
}

function pintaFlash(movie,ancho,alto) {
	document.write("<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0' width='"+ ancho +"' height='"+ alto + "'>")
	document.write("<param name='movie' value='"+ movie +"'>")
	document.write("<param name='quality' value='high'>")
	document.write("<PARAM NAME=FlashVars value='allowResize=true'>")
	document.write("<embed src='"+ movie +"' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='"+ ancho +"' height='"+ alto + "'></embed>")
	document.write("</object>")
}

function pintaFlashTransparente(movie,ancho,alto){
	document.write("<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0' width='"+ ancho +"' height='"+ alto + "'>")
	document.write("<param name='movie' value='"+ movie +"'>")
	document.write("<param name='quality' value='high'>")
	document.write("<param name='wmode' value='transparent'>")
	document.write("<PARAM NAME=FlashVars value='allowResize=true'>")
	document.write("<embed src='"+ movie +"' wmode='transparent' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='"+ ancho +"' height='"+ alto + "'></embed>")
	document.write("</object>")
}

/*
 * VALIDACION DE STRING
 */

var blanco= " \t\n\r";

function Vacio(s)
{
  var i;

  if ((s==null) || (s.length==0)) return true;
  // Buscamos si no tiene ningún caracter
  for (i=0;i<s.length;i++)
  {
    var c=s.charAt(i);
    if (blanco.indexOf(c)==-1) return false;
  }
 
  // Este es el caso en el que todos los caracteres son blancos
  return true;
}

/*
 * VALIDACION DE NUMERO
 */

function EsNumero(n) {
	var bOk = true;
	var i;
	for (i=0; i<n.length; i++) {
		var c=n.charAt(i);
		bOk = bOk && esDigito(c);
	}
	return(bOk);
}

/*
 * VALIDACION DE FECHA
 */

function esDigito(sChr){
	var sCod = sChr.charCodeAt(0);
	return ((sCod > 47) && (sCod < 58));
}

function valSep(oTxt){
	var bOk = false;
	bOk = bOk || ((oTxt.value.charAt(2) == "-") && (oTxt.value.charAt(5) == "-"));
	bOk = bOk || ((oTxt.value.charAt(2) == "/") && (oTxt.value.charAt(5) == "/"));
	return bOk;
}

function finMes(oTxt){
	var nMes = parseInt(oTxt.value.substr(3, 2), 10);
	var nRes = 0;
	switch (nMes){
		case 1: nRes = 31; break;
		case 2: nRes = 29; break;
		case 3: nRes = 31; break;
		case 4: nRes = 30; break;
		case 5: nRes = 31; break;
		case 6: nRes = 30; break;
		case 7: nRes = 31; break;
		case 8: nRes = 31; break;
		case 9: nRes = 30; break;
		case 10: nRes = 31; break;
		case 11: nRes = 30; break;
		case 12: nRes = 31; break;
	}
	return nRes;
}

function valDia(oTxt){
	var bOk = false;
	var nDia = parseInt(oTxt.value.substr(0, 2), 10);
	bOk = bOk || ((nDia >= 1) && (nDia <= finMes(oTxt)));
	return bOk;
}

function valMes(oTxt){
	var bOk = false;
	var nMes = parseInt(oTxt.value.substr(3, 2), 10);
	bOk = bOk || ((nMes >= 1) && (nMes <= 12));
	return bOk;
}

function valAno(oTxt){
	var bOk = true;
	var nAno = oTxt.value.substr(6);
	bOk = bOk && ((nAno.length == 2) || (nAno.length == 4));
	if (bOk){
		for (var i = 0; i < nAno.length; i++){
			bOk = bOk && esDigito(nAno.charAt(i));
		}
	}
	return bOk;
}

function valFecha(oTxt){
	var bOk = true;
	if (oTxt.value != "") {
		bOk = bOk && (valAno(oTxt));
		bOk = bOk && (valMes(oTxt));
		bOk = bOk && (valDia(oTxt));
		bOk = bOk && (valSep(oTxt));
		return (bOk);
	}
}

/*
 * VALIDACION DE E-MAIL
 */
 
function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}
//nenude salto quienes.asp(Noticias)
function MM_jumpMenu(targ,selObj,restore){ 
//alert(selObj.selectedIndex)
if (selObj.selectedIndex!=0){
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
  }
}