function search_check () {
	f = document.forms['search2'];
	if (f.keywords.value.length < 2) alert("Debes introducir una palabra de al menos 2 caracteres");
	else if (f.keywords.value == 'cantantes, karaokes, letras de canciones...') alert("Debes introducir una palabra de al menos 2 caracteres");
	else f.submit();
}

function search_check2 () {
	f = document.forms['search'];
	if (f.keywords.value.length < 2) alert("Debes introducir una palabra de al menos 2 caracteres");
	else if (f.keywords.value == 'cantantes, karaokes, letras de canciones...') alert("Debes introducir una palabra de al menos 2 caracteres");
	else f.submit();
}

function goRegister() {
	window.location="/registro";
} 

function openPopup(_lnk,_height,_width) {
	window.open(_lnk,'Popup','scrollbars=no,toolbar=no,menubar=no,status=no,location=no,top=0,left=0,resizable=no,width=' + ((_width!="" && _width)?_width:'510') + ',height=' + ((_height!="" && _height)?_height:'230'));
}

function addlibrary(_songid) {
	openPopup("/nueva-cancion-favorita?songid="+_songid);
}

function addperformer(_uid,_uname) {
	openPopup("/nuevo-favorito?id="+_uid+"&username="+_uname, 350, 510);
}

function songfeedback(_sid) {
	songfeedbackx(_sid,null);
}

function recfeedback(_rid,_uid) {
	recfeedbackx(_rid,_uid,null);
}

function userfeedback(_uid) {
	recfeedbackx(-1,_uid,null);
}

function deleteRecording(_rid, _sname) {
	if (confirm('¿Estás seguro de que deseas eliminar esta grabación de "'+_sname+'"?\n También se eliminarán todas las votaciones y comentarios asociados.')) {
		openPopup("/borrar-grabacion?rid="+_rid, 350, 510);
	}
}

function laLetra() {
	window.open('/concurso-movistar/letra.html','Consejos','scrollbars=yes,toolbar=no,menubar=no,status=no,location=no,top=0,left=0,resizable=yes,width=670,height=450');
}

function consejosPlayer() {
	window.open('/consejosplayer.html','Consejos','scrollbars=yes,toolbar=no,menubar=no,status=no,location=no,top=0,left=0,resizable=no,width=540,height=450');
}

function openKaraoke(id) {
	window.open('/karaoke.php?id='+id,'Karaoke','scrollbars=yes,toolbar=no,menubar=no,status=no,location=no,top=0,left=0,resizable=no,width=1024,height=540');
}

function openKaraokePremium(id) {
	var pitch = '';
	if (typeof document.forms['addcart'] != 'undefined') {
	 	pitch = '&pitch='+document.forms['addcart'].tone.value;
	}
	window.open('/karaoke_premium.php?id='+id+pitch,'Karaoke','scrollbars=yes,toolbar=no,menubar=no,status=no,location=no,top=0,left=0,resizable=no,width=1024,height=540');
}
function openKaraokeFlash(id) {
	var pitch = '';
	if (typeof document.forms['addcart'] != 'undefined') {
	 	pitch = '&pitch='+document.forms['addcart'].tone.value;
	}
	window.open('/karaoke_flash.php?id='+id+pitch,'Karaoke','toolbar=no,menubar=no,status=no,location=no,top=0,left=0,resizable=no,width=1024,height=580');
}

function openKaraokeAvatar(id) {
	var pitch = '';
	if (typeof document.forms['addcart'] != 'undefined') {
	 	pitch = '&pitch='+document.forms['addcart'].tone.value;
	}
	window.open('/karaoke_avatar.php?id='+id+pitch,'Karaoke','toolbar=no,menubar=no,status=no,location=no,top=0,left=0,resizable=no,width=1024,height=580');
}

function recOK(_rid) {
	window.location="/upload_recording.php?rid="+_rid;
}

function showElement (name) {
	theElement = document.getElementById(name);
	if (theElement) {
		theElement.style.display = "inline";
	}
}

function hideElement (name) {
	theElement = document.getElementById(name);
	if (theElement) {
		theElement.style.display = "none";
	}
}

var flagLang=true;
var flagDir=true;
function showLangs (){
		var sm=document.getElementById('langs');
		if (flagLang) {
			sm.style.display="none";
		}
		if (sm.style.display=="none") {
			sm.style.display="block";
		} else {
			sm.style.display="none";
		}
		flagLang=false;
}
function showDir (){
		var dm=document.getElementById('dirSearch');
		if (flagDir) {
			dm.style.display="none";
		}
		if (dm.style.display=="none") {
			dm.style.display="block";
		} else {
			dm.style.display="none";
		}
		flagDir=false;
}

/* vb_md5 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }
function core_md5(x, len)
{
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

function str2binl(str)
{
  var bin = new Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}

function str_to_ent(str)
{
	var result = '';
	var i;

	for (i = 0; i < str.length; i++)
	{
		var c = str.charCodeAt(i);
		var tmp = '';

		if (c > 255)
		{

			while (c >= 1)
			{
				tmp = "0123456789" . charAt(c % 10) + tmp;
				c = c / 10;
			}

			if (tmp == '')
			{
				tmp = "0";
			}
			tmp = "#" + tmp;
			tmp = "&" + tmp;
			tmp = tmp + ";";

			result += tmp;
		}
		else
		{
			result += str.charAt(i);
		}
	}
	return result;
}

function trim(s)
{
	while (s.substring(0, 1) == ' ')
	{
		s = s.substring(1, s.length);
	}
	while (s.substring(s.length-1, s.length) == ' ')
	{
		s = s.substring(0, s.length-1);
	}
	return s;
}

function md5hash(input, output_html, output_utf, skip_empty)
{

	if (navigator.userAgent.indexOf("Mozilla/") == 0 && parseInt(navigator.appVersion) >= 4)
	{
		var md5string = hex_md5(str_to_ent(trim(input.value)));
		output_html.value = md5string;
		if (output_utf)
		{
			md5string = hex_md5(trim(input.value));
			output_utf.value = md5string;
		}
		if (!skip_empty)
		{
			// implemented like this to make sure un-updated templates behave as before
			input.value = '';
		}
	}

	return true;
}

/* tabs.js */
function tabSwitch(new_tab, new_content) { 

	document.getElementById('content_1').style.display = 'none';  
	document.getElementById('content_2').style.display = 'none';  
	document.getElementById('content_3').style.display = 'none';          
	document.getElementById(new_content).style.display = 'block';     
		   
	document.getElementById('tab01').className = '';  
	document.getElementById('tab02').className = '';  
	document.getElementById('tab03').className = '';          
	document.getElementById(new_tab).className = 'active';        
 
 }  
 function changeLayerR (cuale) {
		document.getElementById("bien").style.display="none";
		document.getElementById("ini").style.display="none";
		var ll=document.getElementById(cuale);
		ll.style.display="block";
}

// Scripts portada

var finalY;
var posY=105;
var tamBloc=395;
var posEti=120;
var posInf=0;

intervalo=0;
incremento=0;

function cierra (cuanto) {
	clearInterval(intervalo);
	finalY=cuanto;
	intervalo=setInterval("__cierra()",5);
}
function __cierra(){
	var capa=document.getElementById('buscaIntro');
	var bloc=document.getElementById('bloc');
	var como=document.getElementById('como');
	var info=document.getElementById('info');
	posY+=(finalY-posY)/12;
	tamBloc+=(329-tamBloc)/12;
	posEti+=(0-posEti)/12;
	posInf+=(35-posInf)/12;
	capa.style.top=posY+"px";
	bloc.style.height=tamBloc+"px";
	como.style.top=posEti+"px";
	info.style.top=posInf+"px";
	if (Math.round(posY)==finalY){
		capa.style.top=finalY+"px";
		bloc.style.height=329+"px";
		como.style.top=0+"px";
		info.style.top=35+"px";
		clearInterval(intervalo);
		document.getElementById('info').style.visibility="hidden";
	} else {
		capa.style.top=posY+"px";
	}
}

function abre (cuanto) {
	clearInterval(intervalo);
	document.getElementById('info').style.visibility="visible";
	finalY=cuanto;
	intervalo=setInterval("__abre()",5);
}
function __abre(){
	var capa=document.getElementById('buscaIntro');
	var bloc=document.getElementById('bloc');
	var como=document.getElementById('como');
	var info=document.getElementById('info');
	posY+=(finalY-posY)/12;
	tamBloc+=(395-tamBloc)/12;
	posEti+=(105-posEti)/12;
	posInf+=(0-posInf)/12;
	capa.style.top=posY+"px";
	bloc.style.height=tamBloc+"px";
	como.style.top=posEti+"px";
	info.style.top=posInf+"px";
	if (Math.round(posY)==finalY){
		capa.style.top=finalY+"px";
		bloc.style.height=395+"px";
		como.style.top=105+"px";
		info.style.top=0+"px";
		clearInterval(intervalo);
	} else {
		capa.style.top=posY+"px";
	}
}
function despliega () {
	if (document.getElementById('idioma').style.overflow=='hidden'){
		document.getElementById('idioma').style.overflow='visible';
		document.getElementById('idioma').style.height=105+"px";
	}else{
		document.getElementById('idioma').style.overflow='hidden';
		document.getElementById('idioma').style.height=20+"px";
	}
}
function despliegaNick () {
	if (document.getElementById('nickSub').style.visibility=='hidden'){
		document.getElementById('nickSub').style.visibility='visible';
	}else{
		document.getElementById('nickSub').style.visibility='hidden';
	}
}

// JavaScript Document

function sacasub (cual) {
	var capa=document.getElementById(cual);
	document.getElementById('subComunidad').style.display='none';
	document.getElementById('subGrabaciones').style.display='none';
	document.getElementById('subJuegos').style.display='none';
	capa.style.display='block';
}

// Muestra/Oculta VIDEO

var posC=-550;
var posD=240;
var loaded=0;

function muestraVideo () {
	var socantar=new SWFObject("/swf/comocantar.swf","flash", "600", "343", "8", "#333333");
	socantar.addParam("wmode","transparent");
	socantar.addParam("menu","false");
	socantar.write("flavid");
	clearInterval(intervalo);
	intervalo=setInterval("__muestraVideo()",5);
}
function muestraVideoGratis () {
	if (loaded == 0) {
		var socantar=new SWFObject("/swf/comocantar_java.swf","flash", "600", "343", "8", "#333333");
		socantar.addParam("wmode","transparent");
		socantar.addParam("menu","false");
		socantar.write("flavid");
	}
	clearInterval(intervalo);
	intervalo=setInterval("__muestraVideo()",5);
}
function muestraVideoVS () {
	var socantar=new SWFObject("/swf/comocantar_vs.swf","flash", "600", "343", "8", "#333333");
	socantar.addParam("wmode","transparent");
	socantar.addParam("menu","false");
	socantar.write("flavid");
	clearInterval(intervalo);
	intervalo=setInterval("__muestraVideo()",5);
}
function __muestraVideo(){
	var capa=document.getElementById('comor');
	posC+=(240-posC)/36;
	capa.style.top=posC+"px";
	if (Math.round(posC)==0){
		capa.style.top=240+"px";
		clearInterval(intervalo);
		posC=-550;
	} else {
		capa.style.top=posC+"px";
	}
}

function ocultaVideo () {
	clearInterval(intervalo);
	intervalo=setInterval("__ocultaVideo()",5);
}
function __ocultaVideo(){
	var capa=document.getElementById('comor');
	posD+=(-550-posD)/36;
	capa.style.top=posD+"px";
	if (Math.round(posD)==-550){
		capa.style.top=-550+"px";
		clearInterval(intervalo);
		posD=0;
	} else {
		capa.style.top=posD+"px";
	}
}
function sendNewsletter() {
	if (isValidMail(document.forms['formsubscrb'].emailsbscrb.value) == 0) {
		var XMLHttpNews = new XMLHttpRequest(); 
		if (XMLHttpNews) { 
			XMLHttpNews.onreadystatechange = function () { 
				if (XMLHttpNews.readyState == 4) {
					document.getElementById('newsletterform').style.display = 'none';
					document.getElementById('newsletterresp').style.display = 'block';
				}
			}; 
			XMLHttpNews.open("GET", "http://newsletter.redkaraoke.com/cgi-bin/MLSubscribe.cgi?lname=boletin&submode=all&type=D&email=$email&country=ES", true);
			XMLHttpNews.send(null); 
		}
	}
	else alert('Por favor, escribe una dirección de email válida');
}
function isValidMail(email) {
  if (email.indexOf(" ")!=-1) return 2;
  if (email.indexOf("@")==-1) return 1;
  else {
    var posarroba=email.indexOf("@");
    var nombre=email.substring(0, posarroba);
    var dominio=email.substring(posarroba+1);
    if (nombre.length==0) return 1;
		if (nombre==".") return 1;
		if (dominio.length==0) return 1
		if (dominio.indexOf(".")==-1) return 1;
		len_dom=dominio.length - 1;
    if ((dominio.charAt(0)==".")||(dominio.charAt(len_dom)==".")) return 1;
    if (invalidChar(nombre)) return 1;
    if (invalidChar(dominio)) return 1;
  }
  return 0;
}
function invalidChar(cadena) {
 validos="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.";
 for (i=0;i<cadena.length;i++)
 {
   if (validos.indexOf(cadena.charAt(i))==-1) return true;
   if (cadena.charAt(i)==".")
     if ((i!=cadena.length-1) && (cadena.charAt(i+1)=="."))
       return true;
 }
 return false;
}
function twitterWidget() {
	document.getElementById('nubeTwitter').style.visibility = 'visible';
	if (document.getElementById('twitterwidget').innerHTML == '') {
		document.getElementById('twitterwidget').innerHTML='<iframe allowtransparency="true" frameborder="0" scrolling="no"  src="http://platform.twitter.com/widgets/follow_button.html?screen_name=redkaraoke_es&show_count=false"  style="width:300px; height:20px;"></iframe>';
	}
}
function fbLikebox() {
	document.getElementById('nubeFBsoc').style.visibility = 'visible';
	if (document.getElementById('fblikebox').innerHTML == '') {
		document.getElementById('fblikebox').innerHTML='<iframe src="http://www.facebook.com/plugins/likebox.php?href=http%3A%2F%2Fwww.facebook.com%2Fredkaraoke&amp;width=250&amp;colorscheme=light&amp;show_faces=true&amp;border_color=%23FFF&amp;stream=false&amp;header=false&amp;height=260" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:250px; height:260px;" allowTransparency="true"></iframe>';
	}
}