String.prototype.trim = function() {return this.replace(/^\s+|\s+$/g,'');}

var imgs_lang="/artworks/es";
var lang="/artworks/es";
var DIR="";
var imgs="/artworks";
var url_tobookmark="Maria Etcheverry";
var id_idioma=1
function abrirVentana(url, width, height, name) {
	if (name==null) {name='nueva_ventana';}
	var str = "height=" + height + ",innerHeight=" + height;
	str += ",width=" + width + ",innerWidth=" + width;
	if (window.screen) {
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;
		var xc = (aw - width) / 2;
		var yc = (ah - height) / 2;
		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
	}
	str += ",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no";
	objwin=window.open(url, name, str);
	objwin.focus();
}

function getObj(id) {if (document.getElementById) {return document.getElementById(id)}	else if (document.all) {return document.all[id]}	else {return document.all[id]}}

function setget_attr(obj, prop, val)
{
	if (!val)
		return obj.getAttribute(prop);
	else
	{
		if (prop=="onmouseover" || prop=="onmouseout" || prop=="onclick" || typeof val=="function")
		{

			//Parche IE8
			if (BrowserDetect.browser=="Explorer" && BrowserDetect.version=="8")
				obj.attachEvent(prop, new Function('"+val+"'), false);
			else
			{
				if (BrowserDetect.browser=="Explorer")
					val = Function(val);
			}
		}
		obj.setAttribute(prop,val);
	}
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();


var obj_focus=null;

function validar_form(form) {

	var campo,mensaje,valor;

	for (var i=0;i<obligatorios.length;i=i+2) {

		campo=obligatorios[i];
		mensaje=obligatorios[i+1];
		valor=eval("form."+campo+".value");

		if (campo=="clave") {

			var clave_confirm=getObj("confirm_clave").value;
			var aux=mensaje.split("|");
			mensaje=aux[0];
			mensaje_extra=aux[1];
			if (valor.length<6) {DHTMLALERT(mensaje);obj_focus=eval("form."+campo);return false;}
			if (valor!=clave_confirm) {DHTMLALERT(mensaje_extra);obj_focus=eval("form."+campo);return false;}

		} else if (campo=="email") {

			var confirm_email=getObj("confirm_email").value;
			var aux=mensaje.split("|");
			mensaje=aux[0];
			mensaje_extra=aux[1];

			if (valor.indexOf('@') < 0 || valor.indexOf('.') < 0 || valor.indexOf(',') > 0) { DHTMLALERT(mensaje); obj_focus=form.email; return false; }
			if (valor!=confirm_email) {DHTMLALERT(mensaje_extra);obj_focus=form.email;return false;}

		}	else {

			if (valor=="") {DHTMLALERT(mensaje);obj_focus=eval("form."+campo);return false;}

		}

	}

	var o=getObj("btn_submit");
	if (o!=null) {o.disabled=true;}

	return true;
}

function clear_input(o,l) {
	if (o.value==l) {o.value='';}
}

function check_form_registro_home(form) {
	var aux="Dirección de correo incorrecta o email no válido.|Los emails no coinciden.".split("|");
	if (form.tiny_email.value.indexOf('@') < 0 || form.tiny_email.value.indexOf('.') < 0 || form.tiny_email.value.indexOf(',') > 0) { DHTMLALERT(aux[0]); form.tiny_email.focus();return false;}
	return true;
}

function cambiar_estilos(ID_STYLE,seccion) {
	var file="/scripts/set_styles.php?id_style="+ID_STYLE;
	if (seccion!=undefined) {file+="&seccion="+seccion;}
	crear_script_tag(file);
}

function crear_script_tag(arch) {
  var sc_obj="JS_SCRIPT_OBJECT";
  var obj_head = document.getElementsByTagName("head").item(0)
  scriptTag = document.getElementById(sc_obj);

  if(scriptTag!=null)
  {
  	obj_head.removeChild(scriptTag);
		delete scriptTag;
		scriptTag=null;
  }
  
  scriptTag = document.createElement("SCRIPT");

  var vch="?";
  if (arch.indexOf("?")!=-1) vch="&";
  scriptTag.src = arch+vch+Math.random()*1000000;
	scriptTag.type = 'text/javascript';
	scriptTag.id = sc_obj;
	obj_head.appendChild(scriptTag);
}

function validar_recomendar(form) {
	if (form.miemail.value.indexOf('@') < 0 || form.miemail.value.indexOf('.') < 0 || form.miemail.value.indexOf(',') > 0) { DHTMLALERT('Indique su email'); form.miemail.focus(); return false; }
	if (form.minombre.value == '') { DHTMLALERT('Indique su nombre'); form.minombre.focus(); return false; }
	if (form.tunombre.value == '') { DHTMLALERT('Indique el nombre de la persona a quien nos recomienda'); form.tunombre.focus(); return false; }
	if (form.tuemail.value.indexOf('@') < 0 || form.tuemail.value.indexOf('.') < 0 || form.tuemail.value.indexOf(',') > 0) { DHTMLALERT('Indique el email de la persona a quien nos recomienda'); form.tuemail.focus(); return false; }
	return true;
}