function isEmail(Mail) {
	Mail=Mail.toLowerCase();
	return (Mail.search(/^[a-zA-Z]+([_\.-]?[a-zA-Z0-9]+)*@[a-zA-Z0-9]+([\.-]?[a-zA-Z0-9]+)*(\.[a-zA-Z]{2,4})+$/) != -1);
}

function resuelve() {
	nombre = document.mandacmt.name.value;
	texto = document.mandacmt.desc.value;
	checker = document.mandacmt.chkdesk.value;

	if (nombre == "" || nombre == "Introduce un nombre") {
		document.mandacmt.name.value = "Introduce un nombre";
		document.mandacmt.name.onclick = function() { document.mandacmt.name.value = ''; }
		return;	}

	if (texto == "" || texto == "Introduce un texto") {
		document.mandacmt.desc.value = "Introduce un texto";
		document.mandacmt.desc.onclick = function() { document.mandacmt.desc.value = ''; }
		return;	}

	if (checker == "" || hex_md5(checker.toUpperCase()) != Get_Cookie('image_value')) {
		alert("Las letras de la imagen son incorrectas");
		return;	}

	document.mandacmt.submit();
}

function resuelve_login() {
	nombre = document.mandacmt.user.value;
	texto = document.mandacmt.pass.value;
	checker = document.mandacmt.chkdesk.value;

	if (nombre == "" || nombre == "Introduce un nombre de usuario") {
		document.mandacmt.user.value = "Introduce un nombre de usuario";
		document.mandacmt.user.onclick = function() { document.mandacmt.user.value = ''; }
		return;	}

	if (texto == "") {
		alert("Introduce una contraseña");
		return;	}

	if (checker == "" || hex_md5(checker.toUpperCase()) != Get_Cookie('image_value')) {
		alert("Las letras de la imagen son incorrectas");
		return;	}

	document.mandacmt.submit();
}


function resuelve_contact() {
	nombre = document.mandaalta.name_cnt.value;
	tel = document.mandaalta.tel_cnt.value;
	email = document.mandaalta.email_cnt.value;
	texto = document.mandaalta.desc_cnt.value;
	checker = document.mandaalta.chkdesk.value;

	if (nombre == "" || nombre == "Introduce un nombre") {
		document.mandaalta.name_cnt.value = "Introduce un nombre";
		document.mandaalta.name_cnt.onclick = function() { document.mandaalta.name_cnt.value = ''; }
		return;	}

	if (email == "" || email == "Email incorrecto" || !isEmail(email)) {
		document.mandaalta.email_cnt.value = "Email incorrecto";
		document.mandaalta.email_cnt.onclick = function() { document.mandaalta.email_cnt.value = ''; }
		return;	}

	if (texto == "" || texto == "Introduce un texto") {
			document.mandaalta.desc_cnt.value = "Introduce un texto";
			document.mandaalta.desc_cnt.onclick = function() { document.mandaalta.desc_cnt.value = ''; }
			return;	}

	if (checker == "" || hex_md5(checker.toUpperCase()) != Get_Cookie('image_value')) {
		alert("Las letras de la imagen son incorrectas");
		return;	}

	$("#superboton_nota").slideUp(function (){
			AjaxCall(
			{
				method: "POST", 
				url: "mandacontacto.php", 
				params: 
				{
					nombre: nombre, 
					tel: tel, 
					email: email, 
					texto: texto
				},
				callback: function(txt)
				{
					if(txt == "ok")
					{
						document.getElementById("txtcnt").innerHTML = "Gracias por contactar con nosotros<br />Tu mensaje ha sido entregado con &eacute;xito"
						setTimeout(function ()
						 {
							document.getElementById("boton_send").style.display = "none";
							$("#superboton_nota").slideDown();
						 }, 2000);
					
					}
					else
					{
						document.getElementById("txtcnt").innerHTML = "<br />Hubo un problema al enviar tu comentario.<br />Por favor inténtalo de nuevo m&aacute;s tarde.<br />Disculpa las molestias";
						$("#superboton_nota").slideDown();

					}

				}
			});
		});

}

function getXhttp ( )
{
    var ajax_request;
    if (  window.ActiveXObject  )  {
        var mSoftVersions = [
            'MSXML2.DOMDocument.5.0',
            'MSXML2.DOMDocument.4.0',
            'MSXML2.DOMDocument.3.0',
            'MSXML2.DOMDocument.2.0',
            'MSXML2.DOMDocument',
            'Microsoft.XmlDom',
            'Msxml2.XMLHTTP',
            'Microsoft.XMLHTTP'
        ];

        for (  i=0; i<mSoftVersions.length; i++  )  {
            try {
                ajax_request = new ActiveXObject (  mSoftVersions[i]  );
            }  catch (  e  )  {    }
        }
    }  else if (  !ajax_request && typeof XMLHttpRequest != 'undefined'  )  {
        try {
            ajax_request = new XMLHttpRequest;
        }  catch (  e  )  {    }
    }  else if (  !ajax_request && window.createRequest  )  {
        try {
            ajax_request = window.createRequest;
        }  catch (  e  )  {    }
    }  else  {
        ajax_request = false;
    }

    return ajax_request;
}

/* params:
method: "GET" o "POST" (default: "GET")
url: "caca.php" o "http://www.caca.es/caca.php"
callback(texto): funcion a la que se manda el resultado
params: objeto con parametros: { param1 : "valor1", param2: "valor2" } No hace falta hacer escaping de las variables!!!
*/
/*
AjaxCall(
{
	method: "POST", 
	url: "getuser.php", 
	params:
	{
		a: "alf@faud.com", 
		b: "2"
	}, 
	callback: function(txt)
	{
		alert(txt);
	}
});
*/
function AjaxCall(params)
{
	getXhttp();
	var xml = getXhttp( );
	if ( !xml )
	{
		document.getElementById("divreadinguser").style.display = "none";
		return; //Usually you alert something but I don't :d
	}
	
	if(params.method == null) params.method = "GET";

	xml.open(params.method, params.url);

	xml.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');

	xml.onreadystatechange = function()
	{
		if(xml.readyState != 4) return;
	
		params.callback(xml.responseText);
	};

	var query = "";
	for(index in params.params)
	{
		if(query != "") query += "&";
		query += index + "=" + urlencode(params.params[index]);
	}

	xml.send(query);
}

function urlencode (str)
{
	str = escape(str);

	return str.replace(/[*+\/@]|%20/g,

	function (s)
	{
		switch (s)
		{
			case "*": s = "%2A"; break;
			case "+": s = "%2B"; break;
			case "/": s = "%2F"; break;
			case "@": s = "%40"; break;
			case "%20": s = "+"; break;
		}

		return s;
	});
}

function enviacontact(entrada)
{
    var xml = getXhttp( );
    if ( !xml )
       return false; //Usually you alert something but I don't :d
    xml.open('POST', 'mandacontacto.php');
    xml.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');

    var nombre = urlencode(document.getElementById('name').value);
    var email = urlencode(document.getElementById('email').value);
    var texto = urlencode(document.getElementById('desc').value);

	var superdebug = 'nombre=' + nombre + '&email=' + email + '&texto=' + texto;
	
    xml.onreadystatechange = function() {
			if (xml.readyState == 4){
										document.getElementById('mandamelon').innerHTML = "<div class='sented'>¡¡ Enviado con éxito !!</div>";
										setTimeout('showcontact('+ entrada +')', 2000);
									}
	}
	
	xml.send(superdebug);
}

function cambia_estilo(id, estilo)
{
	var idcambio = document.getElementById(id);
	idcambio.className = estilo;
	return true;
}

Date.prototype.FormatYMD = function()
{
	var d = this.getDate();
	var m = this.getMonth() + 1;
	var y = this.getFullYear();

	return y + "-" + (m <= 9 ? "0" + m : m) + "-" + (d <= 9 ? "0" + d : d);
}

Number.prototype.formatMoney = function(c, d, t){
	var n = this, c = isNaN(c = Math.abs(c)) ? 2 : c, d = d == undefined ? "," : d, t = t == undefined ? "." : t, s = n < 0 ? "-" : "", i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
	return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
};

// this fixes an issue with the old method, ambiguous values
// with this test document.cookie.indexOf( name + "=" );
function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}

/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
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      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
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)); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function md5_vm_test()
{
  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  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);

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
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);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
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);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(str)
{
  var bin = 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;
}

/*
 * Convert an array of little-endian words to a string
 */
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;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
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;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
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;
}