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 ir(lugar){
	window.location = lugar;
}
function valida_formulario(idioma){
	nombre=document.getElementById("f_nombre").value;
	email=document.getElementById("f_email").value;
	if((nombre.replace(/ /g, '')=="")){
		if(idioma=='cs'){
			alert("El nombre no puede estar vacío.");
		}else{
			alert("The first name cannot be empty.");
		}
		return false;
	}else{
		if(email.replace(/ /g, '')==""){
			if(idioma=='cs'){
				alert("Debe rellenar el campo email.");
			}else{
				alert("You must fill the e-mail field.");
			}
			return false;
		}else{
			var filter=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;
			if (!filter.test(email)){
				if(idioma=='cs'){
					alert("Debe ingresar una dirección de correo válida");
				}else{
					alert("You must enter a valid e-mail address");
				}
				return false;
			}
		}
	}
	document.getElementById('formulario').action = "envia_formulario.php";
	document.getElementById('formulario').submit();
	//formulario.action="envia_formulario.php";
	//formulario.submit();
}
function valida_usuario(idioma){
	usuario=document.getElementById("usuario").value;
	clave=document.getElementById("clave").value;
	if(usuario.replace(/ /g, '')==""){
		if(idioma=='cs'){
			alert("El usuario no puede estar vacío");
		}else{
			alert("The username cannot be empty");
		}
		return false;
	}else{
		if(clave.replace(/ /g, '')==""){
			if(idioma=='cs'){
				alert("La clave no puede estar vacía");
			}else{
				alert("The password cannot be empty");
			}
			return false;
		}
	}
	var formulario = document.getElementById('formulario');
	formulario.action="envia_usuario.php";
	formulario.submit();
}
function alto(){
	//alert($('alto').offsetHeight);
	//alert($('bajo').offsetHeight);
	var maxH = Math.max($('alto').offsetHeight,$('bajo').offsetHeight);
	$('alto').style.height = maxH+"px";
	$('bajo').style.height = maxH+"px";
}

function muestra_capa(subsec,sizeCont,idSub){

	var b = $('bajo');
	var c = $('alto');
	var d = c.clientHeight;
	var elem = (parseInt(sizeCont)*24)+200;
	if(elem < 300){
		elem = 115;	
	}
	subs = new Array();
	subs = idSub.split('@');
	
	
	for(i=0;i<subs.length;i++){
		if(subsec != subs[i]){
			var a = $('layer'+subs[i]);	
			a.style.display = "none";
		}else{
			var a = $('layer'+subs[i]);	
			if(a.style.display == 'none'){
				var h= elem+132;
				a.style.height = elem+"px";
				b.style.height = h+"px";
				a.style.display = "block";
			}else{
				a.style.display = "none";
				b.style.height = "300px";
			}
		}
	}
	//alert(elem);
	//alto();
}

function alto_noticias(){
	var a =$('alto').offsetHeight;
	
	if(a < '450'){
		$('alto').style.height = '450px';
		$('bajo').style.height = '450px';	
	}
}
function ver_graficos(a){
	$('cuerpo').style.height= '416px';
	
	var graph1={
		divID:'graf_der',
		ShowNote:'yes',
		NoteTitle:'',
		NoteText:''
	}
	
	draw(graph1);
	
	new Ajax.PeriodicalUpdater('graf_izq','sql.php',{		   
		method:"post",
		frequency:4,
		decay:2
	});
}
function verPsf(){
	new Ajax.Request('irPsf.php',{
		method:"post",
		onSuccess:function(result){
			window.location=result.responseText;	
		}
	});	
}
/*function oculta_capa(id){
	$('layer'+id).style.display = 'none';
}*/