function carga_receta(valor)
{  
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}


	xmlHttp.onreadystatechange=function()
	{
		if(xmlHttp.readyState==4)
		{
			var lugar_imparticion="recetas";
			//alert(lugar_imparticion);
			document.getElementById(lugar_imparticion).innerHTML=xmlHttp.responseText;
		}
	}
	
	var unique=valor;
	//var unique=document.getElementById('unique_id').value;
	var url="principales/ajax/recetas.php";
	url=url+"?v="+valor+"&unique_id="+unique;
	url=url+"&sid="+Math.random();
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);  
}

function carga_especialidad(valor)
{  
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}


	xmlHttp.onreadystatechange=function()
	{
		if(xmlHttp.readyState==4)
		{
			var lugar_imparticion="especialidad";
			//alert(lugar_imparticion);
			document.getElementById(lugar_imparticion).innerHTML=xmlHttp.responseText;
		}
	}
	
	var unique=valor;
	//var unique=document.getElementById('unique_id').value;
	var url="principales/ajax/especialidades.php";
	url=url+"?v="+valor+"&unique_id="+unique;
	url=url+"&sid="+Math.random();
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);  
}



/* funcion favoritos*/
function bookmarksite(title, url)
	{
	if (document.all)
		window.external.AddFavorite(url, title);
	else if (window.sidebar)
		window.sidebar.addPanel(title, url, "");
}


function valida_recomendar_web(){
	if(document.getElementById("su_nombre").value.length<3){
		alert("Introduce your name");
		document.getElementById("su_nombre").focus();
		return false;
	}

	if(document.getElementById("su_email").value.length<5){
		alert("Introduce your e-mail address");
		document.getElementById("su_email").focus();
		return false;
	}else{
		var resu=emailCheck (document.getElementById("su_email").value);
		if(resu ==false){
			 document.getElementById("su_email").focus();
			 return resu;
		}
	
	}
	if(document.getElementById("nombre_amigo").value.length<3){
		alert("Introduce your friend's name");
		document.getElementById("nombre_amigo").focus();
		return false;
	}

	if(document.getElementById("email_amigo").value.length<5){
		alert("Introduce your friend's e-mail address");
		document.getElementById("email_amigo").focus();
		return false;
	}else{
		var resu=emailCheck (document.getElementById("email_amigo").value);
		if(resu ==false){
			 document.getElementById("email_amigo").focus();
			 return resu;
		}
	
	}

	if((document.getElementById("mensaje").value.length<3)||(document.getElementById("mensaje").value=="Introduzca su mensaje")){
		alert("Introduce your message");
		document.getElementById("mensaje").focus();
		return false;
	}

	

	if(document.getElementById("pass").value.length<5){
		alert("Introduce the numbers appearing in the image");
		document.getElementById("pass").focus();
		return false;
	}

	
}

function emailCheck (emailStr) 
{
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		alert("The e-mail address is not correct")
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]
	if (user.match(userPat)==null) {
		alert("The e-mail address is not correct")
		return false
	}
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("The e-mail address is not correct")
			return false
			}
		}
		return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		alert("The e-mail address is not correct")
		return false;
	}
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
		 alert("The e-mail address is not correct")
	   return false
	}

	if (len<2) {
	   var errStr="The e-mail address is not correct"
	   alert(errStr)
	   return false
	}
}

function validar(){
	if(document.getElementById("nombre").value.length<3){
		alert("Introduce your name");
		document.getElementById("nombre").focus();
		return false;
	}
	if((document.getElementById("telefono").value.length>1)&&(document.getElementById("telefono").value.length>9)){
		alert("Your telephone number is not correct");
		document.getElementById("telefono").focus();
		return false;
	}
	if(document.getElementById("email").value.length<1){
		alert("Introduce your e-mail address");
		document.getElementById("email").focus();
		return false;
	}else{
		var resu=emailCheck (document.getElementById("email").value);
		if(resu ==false){
			 document.getElementById("email").focus();
			 return resu;
		}
	
	}


	if((document.getElementById("servicios_interesado").value.length<3)||(document.getElementById("servicios_interesado").value=="Introduzca su mensaje")){
		alert("Introduce your message");
		document.getElementById("servicios_interesado").focus();
		return false;
	}
	
	if(document.getElementById("pass").value.length<5){
		alert("Introduce the numbers appearing in the image");
		document.getElementById("pass").focus();
		return false;
	}
	
	return true;
}




function validar_trabaja(){
	if(document.getElementById("nombre").value.length<3){
		alert("Introduce your name");
		document.getElementById("nombre").focus();
		return false;
	}
	if((document.getElementById("telefono").value.length>1)&&(document.getElementById("telefono").value.length>9)){
		alert("Your telephone number is not correct");
		document.getElementById("telefono").focus();
		return false;
	}
	if(document.getElementById("email").value.length<1){
		alert("Introduce your e-mail address");
		document.getElementById("email").focus();
		return false;
	}else{
		var resu=emailCheck (document.getElementById("email").value);
		if(resu ==false){
			 document.getElementById("email").focus();
			 return resu;
		}
	
	}
	
	if(document.getElementById("pass").value.length<5){
		alert("Introduce the numbers appearing in the image");
		document.getElementById("pass").focus();
		return false;
	}
	
	return true;
}



function validar_libro_visitas(){
	if(document.getElementById("nombre").value.length<3){
		alert("Introduce your name");
		document.getElementById("nombre").focus();
		return false;
	}

	if(document.getElementById("comentario").value.length<3){
		alert("Introduce your comment");
		document.getElementById("comentario").focus();
		return false;
	}


	if(document.getElementById("pass").value.length<5){
		alert("Introduce the numbers appearing in the image");
		document.getElementById("pass").focus();
		return false;
	}
	
	return true;
}