function nuevoAjax(){ 
  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 CargarContenido(ubic,URL,msj){ 
var contenedor; 
var mensaje='';
	mensaje="<br><br><table width='362' height='166' border='0'><tr><td width='81' height='85'><div align='center'><img src='images/cargando.gif' width='40' height='40' /></div></td><td width='271' class='negrito'><strong>Cargando</strong><br /><strong>Espere por favor ... </strong></td></tr></table><br><br>";
	var ajax=nuevoAjax(); 
	var contenedor=document.getElementById(ubic);
	if (msj) { mensaje=msj; }
	ajax.open("GET",URL,true);	
	ajax.onreadystatechange=function() { 
		if (ajax.readyState==1)	{
			contenedor.innerHTML=mensaje;
		}
		if (ajax.readyState==4) { 
			contenedor.innerHTML = ajax.responseText;
		} 
	} 
	ajax.send(null)  
} 
function abremenu(id) {
	CargarContenido('principal','sc_textomenu.php?id='+id);
}
function abrehome(id) {
	CargarContenido('principal','sc_textonoticias.php?id='+id);
}
//----------------------------------- Varios ----------------------------------------
function LimpiarPanel(id) {
var contenedor1; 
	contenedor1=document.getElementById(id);	
	contenedor1.innerHTML = '<p>&nbsp;</p><p>&nbsp;</p><p align="center" class="titulo">PANEL DE CONTROL</p><p align="center" class="titulo">VIA LIBRE</p><p align="center" class="titulo">BIENVENIDO</p><p align="center" class="titulo">&nbsp;</p><p align="center" class="titulo">&nbsp;</p>';
}
function Mipopup(URL,ver) { 
var Popup; 
var parametros="width=300,height=200,scrollbars=no";
if (ver) { parametros=parametros="width=300,height=200,scrollbars=yes"; }
	Popup=window.open(URL,"MIPopup",parametros); 		
   	Popup.focus();
return false; 
} 
function EliminaFila(ubic,nom,URL) {
	if (confirm("Esta seguro de eliminar : "+nom)) {
 		CargarContenido(ubic,URL);
	} 	
}
function ActualizaOpcion(ubic,msj,valor,url,minimo) {
var nom=prompt(msj,valor);
	if (nom) {
		if (minimo) {
			CargarContenido(ubic,url+nom,'','cargando...');
		} else {
			CargarContenido(ubic,url+nom);
		}
	}
}
// --------------------------------- FIN
var oldLink = null;
// code to change the active stylesheet
function setActiveStyleSheet(link, title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  if (oldLink) oldLink.style.fontWeight = 'normal';
  oldLink = link;
  link.style.fontWeight = 'bold';
  return false;
}
// This function gets called when the end-user clicks on some date.
function selected(cal, date) {
  cal.sel.value = date; // just update the date in the input field.
  if (cal.dateClicked && (cal.sel.id == "sel1" || cal.sel.id == "sel3"))
    // if we add this call we close the calendar on single-click.
    // just to exemplify both cases, we are using this only for the 1st
    // and the 3rd field, while 2nd and 4th will still require double-click.
    cal.callCloseHandler();
}
// And this gets called when the end-user clicks on the _selected_ date,
// or clicks on the "Close" button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
  cal.hide();                        // hide the calendar
//  cal.destroy();
  _dynarch_popupCalendar = null;
}
// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(id, format, showsTime, showsOtherMonths) {
  var el = document.getElementById(id);
  if (_dynarch_popupCalendar != null) {
    // we already have some calendar created
    _dynarch_popupCalendar.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    var cal = new Calendar(1, null, selected, closeHandler);
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
    if (typeof showsTime == "string") {
      cal.showsTime = true;
      cal.time24 = (showsTime == "24");
    }
    if (showsOtherMonths) {
      cal.showsOtherMonths = true;
    }
    _dynarch_popupCalendar = cal;                  // remember it in the global var
    cal.setRange(1900, 2070);        // min/max year allowed.
	cal.weekNumbers = false;
    cal.create();
	cal.setFirstDayOfWeek(7);
  }
  _dynarch_popupCalendar.setDateFormat(format);    // set the specified date format
  _dynarch_popupCalendar.parseDate(el.value);      // try to parse the text in field
  _dynarch_popupCalendar.sel = el;                 // inform it what input field we use
 // the reference element that we pass to showAtElement is the button that
  // triggers the calendar.  In this example we align the calendar bottom-right
  // to the button.
  _dynarch_popupCalendar.showAtElement(el.nextSibling, "Br");        // show the calendar
  return false;
}