function sel_album (f, el){
	if (el>0){
		f.action = f.action+"?gal="+el;
		f.submit();
	}
}



function sel_imagen(img_id, img_src){
	document.getElementById('esp_imagen').value = img_id;
	document.getElementById('prev_imagen').src = img_src;
}

// mensajes de error - Validacion Formulario


function deshabilitar_campos(f, campos,estado){
	campos = campos.split(",")	
	for ($i=0;$i<campos.length;$i++ )
	{
		f.elements[campos[$i]].disabled = estado;
	}	
}


var VALIDAR_MSG_VALIDAR1 = "El campo ";
var VALIDAR_MSG_VALIDAR2 = " es obligatorio. Por favor completelo antes de continuar";
var VALIDAR_MSG_EMAILINVALIDO = "La dirección de e-mail ingresada es inválida. Por favor, corroborela";
var VALIDAR_MSG_SINCURSO = "Es necesario seleccionar al menos un curso";
var VALIDAR_MSG_SINALUMNO = "Se debe seleccionar al menos un alumno para presenciar un curso";

function buscayselecciona_combo(combo,valor){
	for (i=0;i<combo.options.length;i++ )
	{
		if (combo.options[i].value == valor)
		{
			combo.options[i].selected = true;
		}
		
	}	

}


function chk_caducidad(el,f){
	if(el.checked) {
		f.elements["not_dia_caduca"].disabled = false;
		f.elements["not_mes_caduca"].disabled = false;
		f.elements["not_anio_caduca"].disabled = false;

	}
		else {
		f.elements["not_dia_caduca"].disabled = true;
		f.elements["not_mes_caduca"].disabled = true;
		f.elements["not_anio_caduca"].disabled = true;

		}

}
function sel_contacto(){

	var url = "sel_contacto.php";
	sList = window.open(url, "newlink", "width=500,height=500"); 

}

function insertAtCursor(myField, myValue) {
  //IE support
  if (document.selection) {
    myField.focus();
    sel = document.selection.createRange();
    sel.text = myValue;
  }
  //MOZILLA/NETSCAPE support
  else if (myField.selectionStart || myField.selectionStart == '0') {
    var startPos = myField.selectionStart;
    var endPos = myField.selectionEnd;
    myField.value = myField.value.substring(0, startPos)
                  + myValue 
                  + myField.value.substring(endPos, myField.value.length);
  } else {
    myField.value += myValue;
  }
}




function convertirTxt_boolean(valor){
	// convierte los valores 'si' o 'no' o 'true' o 'false' en 1 y 0 respectivamente
	valor = valor.toLowerCase()
	switch (valor)
	{
	case 'si':
		return 1;
		break;
	case 'true':
		return 1;
		break;
	case 'no':
		return 0;
		break;
	case 'false':
		return 0;
		break;
	}
}

function validar(f)
{
// compatible con mozilla. xhtml 1.0
// version 2.0 
var requeridoArray = f.elements['requerido'].value;
var elemento = f.elements;

requeridoArray = requeridoArray.split(",");

for (i = 0; i < requeridoArray.length; i++) {
					if (elemento[requeridoArray[i]].value == "")
					{
						alert( "el campo '" +elemento[requeridoArray[i]].alt+ "' es obligatorio"); 
						elemento[requeridoArray[i]].focus(); 
						return false;

					}
// chequeo  de email
					var mail_check = requeridoArray[i].indexOf("mail"); 
					if (mail_check > -1 && (elemento[requeridoArray[i]].value.indexOf('@', 0) == -1 ||
				  elemento[requeridoArray[i]].value.indexOf('.', 0) == -1)) {
					alert("la dirección de e-mail indicada es inválida"); 
						elemento[requeridoArray[i]].focus(); 
					return false; 

					}
}//for
}


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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function imagenHires(theURL,winName,features) { //v2.0
	url = "imagenhires.php?img="+theURL
  window.open(url,winName,features);
}


function borrar(url, msg_alt){
	if (msg_alt == undefined) msg_alt = "";
	
	if(confirm("¿Desea borrar este registro?\n"+msg_alt+"\n pampaAdmin")){
		document.location.href = url
	}
}

function ordenar(url, orden){
	document.location.href = url+"&orden=" + orden;

}


function changeKey (evt) {

  var keyCode = evt.keyCode ? evt.keyCode :
                evt.charCode ? evt.charCode :
		evt.which ? evt.which : void 0;

alert(keyCode)
if (charCode > 31 && (charCode < 48 || charCode > 57)){
	return true;
  }
else {
	return false;
	}
}

function enterEsSubmit (evt, f) {

  var keyCode = evt.keyCode ? evt.keyCode :
                evt.charCode ? evt.charCode :
		evt.which ? evt.which : void 0;

 if (keyCode ==13) {
	validar(f);
  }


}


function seleccionarCheckBoxes(f,campo,estado){

	var elts = f.elements[campo];
    var elts_cnt  = (typeof(elts.length) != 'undefined')
                  ? elts.length
                  : 0;

    if (elts_cnt) {
        for (var i = 0; i < elts_cnt; i++) {
            elts[i].checked = estado;
        } // end for
    } else {
        elts.checked        = estado;
    } // end if... else

    return true;


}