function validate_email (emailStr)
	{

		var checkTLD=1;
		var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
		var emailPat=/^(.+)@(.+)$/;
		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("Email address seems incorrect (check @ and .'s)");
				return false;
			}
	
		var user=matchArray[1];
		var domain=matchArray[2];
	
		for (i=0; i<user.length; i++)
			{
				if (user.charCodeAt(i)>127)
					{
						//alert("Ths username contains invalid characters.");
						return false;
					}
			}
		
		for (i=0; i<domain.length; i++)
			{
				if (domain.charCodeAt(i)>127)
					{
						//alert("Ths domain name contains invalid characters.");
						return false;
					}
			}
	
		if (user.match(userPat)==null)
			{
				//alert("The username doesn't seem to be valid.");
				return false;
			}
	
		var IPArray=domain.match(ipDomainPat);
	
		if (IPArray!=null)
			{
				for (var i=1;i<=4;i++)
					{
						if (IPArray[i]>255)
							{
								//alert("Destination IP address is invalid!");
								return false;
							}
					}
				return true;
			}
	
		var atomPat=new RegExp("^" + atom + "$");
		var domArr=domain.split(".");
		var len=domArr.length;
		for (i=0;i<len;i++)
			{
				if (domArr[i].search(atomPat)==-1)
					{
						//alert("The domain name does not seem to be valid.");
						return false;
					}
			}
	
		if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1)
			{
				//alert("The address must end in a well-known domain or two letter " + "country.");
				return false;
			}
	
		if (len<2)
			{
				//alert("This address is missing a hostname!");
				return false;
			}
	
		return true;
	}

function validate_text(textStr, minLength, maxLength)
	{
		var len=textStr.length;

		if (minLength != false)
			{
				if (len<minLength)
					{
						//alert("This Text is too short");
						return false;
					}
			}		
		if (maxLength != false)
			{
				if (len>maxLength)
					{
						//alert("This Text is too long");
						return false;
					}
			}
		return true;
	}

function ajax_sendmail(language)
	{
		var email_alert = '';
		var title_alert = '';
		var text_alert = '';
		var personality_alert = '';
		var alert_count = 0;
		var comunicat = '';
		action	= 'sendmail';

		email = document.forms['sendemail'].email.value;	
		title = document.forms['sendemail'].title.value;	
		text  = document.forms['sendemail'].text.value;	
		personality  = document.forms['sendemail'].personality.value;	

		val_email = validate_email(email);
		val_title = validate_text(title, 1, 100);
		val_text = validate_text(text, 1,false);
		val_personality = validate_text(personality, 1,100);

		if ((val_email!=false) && (val_title!=false) && (val_text!=false) && (val_personality!=false))
			{
				if (language=='PL')	{comunicat = 'Proszę czekać, trwa komunikacja z serwerem';}
				if (language=='EN')	{comunicat = 'Please wait, communication with server in progress';}

					document.getElementById('MESSAGE_ALERT').innerHTML = '<div style="margin-top: 5px;"><CENTER><img src="layout/preloader.gif"><div style="padding: 3px 0px 0px 5px;">'+ comunicat +'</div></CENTER></div>';

				var obj = new Ajax.Request('ajax_sendmail.php', {method: 'post', parameters: 'action=' + action +'&email=' + email + '&title=' + title + '&text=' + text + '&personality=' + personality + '&lang=' + language, onComplete: ajax_sendmail_response});
			}
		else
			{
				if (language=='PL')
					{
						if (val_email==false)		{	email_alert = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Niepoprawnie wypełnione pole "Twój E-mail"' + '</B></CENTER></div></div>';} 
						if (val_title==false)		{	title_alert = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Niepoprawnie wypełnione pole "Temat wiadomości"' + '</B></CENTER></div></div>';} 
						if (val_text==false)		{	text_alert  = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Niepoprawnie wypełnione pole "Treść wiadomości"' + '</B></CENTER></div></div>';} 
						if (val_personality==false)	{	personality_alert  = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Niepoprawnie wypełnione pole "Imię i Nazwisko"' + '</B></CENTER></div></div>';} 
					}

				if (language=='EN')
					{
						if (val_email==false)		{	email_alert = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Incorrect data in field "Your E-mail"' + '</B></CENTER></div></div>';} 
						if (val_title==false)		{	title_alert = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Incorrect data in field "Message Title"' + '</B></CENTER></div></div>';} 
						if (val_text==false)		{	text_alert  = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Incorrect data in field "Message Text"' + '</B></CENTER></div></div>';} 
						if (val_personality==false)	{	personality_alert  = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;"><B>' + 'Incorrect data in field "Name and Surname"' + '</B></CENTER></div></div>';} 
					}

				message = 	email_alert + title_alert + text_alert + personality_alert;
				document.getElementById('MESSAGE_ALERT').innerHTML = message;
			}
	}


function ajax_sendmail_response(originalRequest)
	{
		obj = originalRequest.responseText;

		var result = obj.split('<explode>');
		var comunicat ='';

		action = result[0];
		language = result[1];
		response = result[2];

		if (response==1)
			{
				document.forms['sendemail'].email.value = '';
				document.forms['sendemail'].title.value = '';
				document.forms['sendemail'].text.value = '';
				document.forms['sendemail'].personality.value = '';

				if (language=='PL')	{comunicat = 'Wiadomość została wysłana';}
				if (language=='EN')	{comunicat = 'Message was sended';}

				document.getElementById('MESSAGE_ALERT').innerHTML = '<div style="margin-top: 5px;"><CENTER><img src="layout/message.gif"><div style="padding: 3px 0px 0px 5px;">' + comunicat + '</div></CENTER></div>';
			}
		else
			{
				if (language=='PL')	{comunicat = 'Wystąpił wewnętrzny błąd komunikacji z serwerem poczty. <BR> Prosimy spróbować później.';}
				if (language=='EN')	{comunicat = 'Has ocurrent internal communication error with sendmail server. <BR> Please try later';}

				document.getElementById('MESSAGE_ALERT').innerHTML = '<div style="margin-top: 5px;"><CENTER><img src="layout/alert.gif"><div style="padding: 3px 0px 0px 5px;">' + comunicat + '</div></CENTER></div>';
			}
	}