/**
* FUNCIONES POR DEFECTO
*/
function writeLayer(id, text) {
	if (document.layers) {
		var oLayer;
		oLayer = document.layers[id].document;
		oLayer.open();
		oLayer.write(text);
		oLayer.close();
	} else if (parseInt(navigator.appVersion) >=5 && navigator.appName == "Netscape") {
		document.getElementById(id).innerHTML = text;
	} else if (document.all) document.all[id].innerHTML = text
}

function swapDisplay(object, displaied){ //v1.1
	var obj = document.getElementById(object);
	if (displaied == undefined) {
		if (obj.style.display == 'block') { obj.style.display = 'none'; } else { obj.style.display = 'block'; }
	} else {
		if (displaied) { obj.style.display = 'block'; } else { obj.style.display = 'none'; }
	}
}

function bodyOffHeight(){
	var theheight = (document.body.scrollHeight)+'px';
	document.getElementById('bodyOff').style.height= theheight;
}

function addEvent(elm, evType, fn) {
	if (elm.addEventListener) {
		elm.addEventListener(evType, fn, false);
		return true;
	} else if (elm.attachEvent) {
		var r = elm.attachEvent("on" + evType, fn);
		return r;
	} else {
		elm["on" + evType] = fn;
	}
}

/**
* FUNCIONES MACROMEDIA
*/
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];}
}

/**
* FUNCIONES VIDEO
*/
var ytplayer = undefined;
function onYouTubePlayerReady() {
	ytplayer = document.getElementById("myytplayer");
}
function youTubePause() {
	if (ytplayer) {
    	ytplayer.pauseVideo();
	}
}

/**
* FUNCIONES STRING
*/
String.prototype.trim = function() {
	// s = s.replace(/\s+/gi, ' '); // sacar espacios repetidos dejando solo uno
	return this.replace(/^\s+|\s+$/g, '');
}

/**
* FUNCIONES NUMEROS
*/
Number.prototype.numberFormat = function(decimals, dec_point, thousands_sep) {
	if (decimals == undefined) decimals = 2;
	if (dec_point == undefined) dec_point = ',';
	if (thousands_sep == undefined) thousands_sep = '.';

	num = this.toString().replace(/$|,/g,'');
	if (isNaN(num)) num = "0";

	decimal_shift = Math.pow(10, decimals);

	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num * decimal_shift + 0.50000000001);
	cents = num % decimal_shift;
	num = Math.floor(num / decimal_shift).toString();

	// Poner los ceros que faltan a la izquierda
	zeros = "";
	for (var j = cents.toString().length; j < decimals; j++) {
		zeros += "0";
	} cents = zeros + cents;

	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++) {
		num = num.substring(0, num.length-(4*i+3)) + thousands_sep +
		num.substring(num.length-(4*i+3));
	}
	return (((sign) ? '' : '-') + num + dec_point + cents);
}

/**
* FUNCIONES VALIDACION
*/
function isValidEmail(str) {
	return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}

/**
* CURSOS
*/
function jsReloadCursos() {
	window.location.href = '?pagina=0&filter_comunidad=' + document.getElementById('filter_comunidad').value + '&cursos_limit=' + document.getElementById('cursos_limit').value;
}

/**
* EVENTOS
*/
function jsReloadEvents() {
	window.location.href = '?pagina=0&filter_comunidad=' + document.getElementById('filter_comunidad').value + '&eventos_limit=' + document.getElementById('eventos_limit').value;
}

/**
* COMUNIDADDES
*/
function jsReloadCommunities() {
	window.location.href = '?pagina=0&comunidad_limit=' + document.getElementById('comunidad_limit').value;
}