function popup(lang,id,tmpl)

{

	new_win=window.open("email_friend.php?lang="+lang+"&id="+id+"&tmpl="+tmpl+"&status=0&url="+window.location,"Email_Friend","width=400,height=355,status=no");

	//alert("email_fiend.php?lang="+lang+"&status=0");

}



function emailCheck (emailStr) {



/* The following variable tells the rest of the function whether or not

to verify that the address ends in a two-letter country or well-known

TLD.  1 means check it, 0 means don't. */



var checkTLD=1;



/* The following is the list of known TLDs that an e-mail address must end with. */



var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;



/* The following pattern is used to check if the entered e-mail address

fits the user@domain format.  It also is used to separate the username

from the domain. */



var emailPat=/^(.+)@(.+)$/;



/* The following string represents the pattern for matching all special

characters.  We don't want to allow special characters in the address. 

These characters include ( ) < > @ , ; : \ " . [ ] */



var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";



/* The following string represents the range of characters allowed in a 

username or domainname.  It really states which chars aren't allowed.*/



var validChars="\[^\\s" + specialChars + "\]";



/* The following pattern applies if the "user" is a quoted string (in

which case, there are no rules about which characters are allowed

and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com

is a legal e-mail address. */



var quotedUser="(\"[^\"]*\")";



/* The following pattern applies for domains that are IP addresses,

rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal

e-mail address. NOTE: The square brackets are required. */



var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;



/* The following string represents an atom (basically a series of non-special characters.) */



var atom=validChars + '+';



/* The following string represents one word in the typical username.

For example, in john.doe@somewhere.com, john and doe are words.

Basically, a word is either an atom or quoted string. */



var word="(" + atom + "|" + quotedUser + ")";



// The following pattern describes the structure of the user



var userPat=new RegExp("^" + word + "(\\." + word + ")*$");



/* The following pattern describes the structure of a normal symbolic

domain, as opposed to ipDomainPat, shown above. */



var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");



/* Finally, let's start trying to figure out if the supplied address is valid. */



/* Begin with the coarse pattern to simply break up user@domain into

different pieces that are easy to analyze. */



var matchArray=emailStr.match(emailPat);



if (matchArray==null) {



/* Too many/few @'s or something; basically, this address doesn't

even fit the general mould of a valid e-mail address. */



//alert("Email address seems incorrect (check @ and .'s)");

return false;

}

var user=matchArray[1];

var domain=matchArray[2];



// Start by checking that only basic ASCII characters are in the strings (0-127).



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;

   }

}



// See if "user" is valid 



if (user.match(userPat)==null) {



// user is not valid



//alert("The username doesn't seem to be valid.");

return false;

}



/* if the e-mail address is at an IP address (as opposed to a symbolic

host name) make sure the IP address is valid. */



var IPArray=domain.match(ipDomainPat);

if (IPArray!=null) {



// this is an IP address



for (var i=1;i<=4;i++) {

if (IPArray[i]>255) {

//alert("Destination IP address is invalid!");

return false;

   }

}

return true;

}



// Domain is symbolic name.  Check if it's valid.

 

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;

   }

}



/* domain name seems valid, but now make sure that it ends in a

known top-level domain (like com, edu, gov) or a two-letter word,

representing country (uk, nl), and that there's a hostname preceding 

the domain or country. */



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;

}



// Make sure there's a host name preceding the domain.



if (len<2) {

alert("This address is missing a hostname!");

return false;

}



// If we've gotten this far, everything's valid!

return true;

}



function validate_mun(lang)

{

	var element=document.forms[0].elements["muns[]"];

	var i=0;

	var counter=0;

	var valid=false;

	while (counter<document.forms[0].length && !valid)

	{

		if ((document.forms[0].elements[counter].name == "muns[]") && (document.forms[0].elements[counter].checked))

		{

			valid=true;

		}

		counter++;

	}

	if (!valid)

	{

		if (lang=='gr') alert("Παρακαλώ επιλέξτε τουλάχιστον μια περιοχή");

		if (lang=='en') alert("Please choose at least one region");

		return false;

	}

	return true;

}



function validate_registration()

{

	if ((document.forms[0].agencyTxt.value=="") ||

	(document.forms[0].nameTxt.value=="") || 

	(document.forms[0].surnameTxt.value=="") ||

	(document.forms[0].phoneTxt.value=="") ||

	(document.forms[0].mailTxt.value=="") ||

	(document.forms[0].usernameTxt.value=="") ||

	(document.forms[0].pwdTxt.value=="") ||

	(document.forms[0].repwdTxt.value==""))

	{

		alert("Παρακαλώ συμπληρώστε όλα τα πεδία");

		return false;

	}

	if (document.forms[0].pwdTxt.value!=document.forms[0].repwdTxt.value)

	{

		alert("Παρακαλώ εισάγετε σωστά την επαλήθευση του κωδικού");

		return false;

	}

	if (!document.forms[0].law_issues.checked)

	{

		alert("Παρακαλώ επιβεβαιώστε την αποδοχή σας με τους όρους εργασίας του spitogatos.gr");

		return false;

	}

	return true;

}

function validate_visit(lang)

{

	if ((document.forms[0].Nametxt.value=="") || 

	(document.forms[0].SurnameTxt.value=="") ||

	(document.forms[0].phoneTxt.value==""))

	{

		if      (lang=="gr") alert("Παρακαλώ συμπληρώστε το Όνομα, το Επώνυμό σας και το Τηλέφωνό σας");

		else if (lang=="en") alert("Please Submit Your Name, Surname and Phone Number");

		return false;

	}

	else

	{

		return true;

	}

}

function validate_calculator(lang)

{

	if ((document.forms[0].PROKATABOLI1.value=="") || 

	(document.forms[0].EPITOKIO1.value=="") ||

	(document.forms[0].DURATION1.value==""))

	{

		if  (lang=="gr") 	alert("Παρακαλώ συμπληρώστε όλα τα πεδία");

		else if (lang=="en") alert("Please fill in all the fields");

		

    return false;

	}

	else

	{

	return true;

  }

}



function validate_zhthsh()

{

	if ((document.forms[0].box2.value=="") ||

	(document.forms[0].CATEGORY.value=="") || 

	(document.forms[0].SURNAMETXT.value=="") ||

	(document.forms[0].PHONE.value=="") ||

	(document.forms[0].NAMETXT.value=="") ||

	(document.forms[0].EMAILTXT.value==""))

	{

		alert("Παρακαλώ συμπληρώστε όλα τα πεδία");

		return false;

	}

	if ((!document.forms[0].Buy.checked) &&

	(!document.forms[0].Rent.checked) &&

	(!document.forms[0].ANTIPAROXI.checked))

	{

		alert("Παρακαλώ επιλέξτε τη διαθεσιμότητα του ακινήτου");

		return false;

	}

	return true;

}



function validate_anathesi()

{

	if ((document.forms[0].box2.value=="") ||

	(document.forms[0].SURNAMETXT.value=="") ||

	(document.forms[0].PHONE.value=="") ||

	(document.forms[0].NAMETXT.value==""))

	{

		if      (lang=="gr") 	alert("Παρακαλώ συμπληρώστε όλα τα πεδία");

		return false;

	}

	if ((!document.forms[0].Buy.checked) &&

	(!document.forms[0].Rent.checked) &&

	(!document.forms[0].ANTIPAROXI.checked))

	{

		if      (lang=="gr") 	alert("Παρακαλώ επιλέξτε τη διαθεσιμότητα του ακινήτου");

		return false;

	}

	return true;

}



function validate_review()

{

	if ((document.forms[0].SURNAMETXT.value=="") ||

	(document.forms[0].EMAILTXT.value=="") ||

	(document.forms[0].REVIEWTITLE.value=="") ||

	(document.forms[0].NAMETXT.value==""))

	{

		alert("Παρακαλώ συμπληρώστε όλα τα στοιχεία συντάκτη");

		return false;

	}

	return true;

}



function validate_contact(lang)

{

	if ((document.forms[0].NAMETXT.value=="") ||

	(document.forms[0].SURNAMETXT.value=="") ||

	(document.forms[0].EMAILTXT.value==""))

	{

		if      (lang=="gr") 	{alert("Παρακαλώ συμπληρώστε όλα τα στοιχεία");}

		else if (lang=="en") { alert("Please fill in all the required fields");}

    return false;

	}

	else {

	return true; }

}

function validate_email_form(lang)

{

	if ((document.forms[0].SENDER.value=="") ||

		(document.forms[0].RECEIVER.value==""))

	{

		if 		(lang=="gr") alert("Παρακαλώ συμπληρώστε τα υποχρεωτικά πεδία");

		else if (lang=="en") alert("Please complete the mandatory fields");

		return false;

	}

	if ((document.forms[0].SENDER.value!="") && (!emailCheck(document.forms[0].SENDER.value)))

	{

		if 		(lang=="gr") alert("Παρακαλώ συμπληρώστε σωστά το email σας");

		else if (lang=="en") alert("Your email address is not valid");

		return false;

	}	 

	if ((document.forms[0].RECEIVER.value!="") && (!emailCheck(document.forms[0].RECEIVER.value)))

	{

		if 		(lang=="gr") alert("Παρακαλώ συμπληρώστε σωστά το email του φίλου σας");

		else if (lang=="en") alert("Your friend's email address is not valid");

		return false;

	}	 

	return true;

	

}