// JavaScript Document
function checkemail(email){
			var str=email ;
			var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i ;
			if (filter.test(str))
				  return true ;
			else{
			  return  false ;
		}
}
function emailCheck (emailStr) 
{
	/* The following variable tells the rest of the function whether or not
	to verify that the address ends in a two-letter country or well-known
	TLD.  1 means check it, 0 means don't. */	
	var checkTLD=1;
	/* The following is the list of known TLDs that an e-mail address must end with. */	
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	/* 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="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	/*my illigal char list*/
	var illegalChars= /[\(\)\<\>\,\'\;\?\`\~\#\$\%\^\&\*\+\|\:\\\/\"\[\]\=\!\-\}\{]/
	/* 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 +")*$");
	/* Finally, let's start trying to figure out if the supplied address is valid. */
	/* Begin with the coarse pattern to simply break up user@domain into
	different pieces that are easy to analyze. */	
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) 
	{	
		/* Too many/few @'s or something; basically, this address doesn't
		even fit the general mould of a valid e-mail address. */		
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	if(emailStr.match(illegalChars) != null)
	{
		alert("Invalid emaill address");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	// Start by checking that only basic ASCII characters are in the strings (0-127).	
	for (i=0; i<user.length; i++) 
	{
		if (user.charCodeAt(i)>127) 
		{
			alert("Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) 
	{
		if (domain.charCodeAt(i)>127) 
		{
			alert("Ths domain name contains invalid characters.");
			return false;
		}
	}
	// See if "user" is valid 	
	if (user.match(userPat)==null) 
	{	
		// user is not valid	
		alert("The username doesn't seem to be valid.");
		return false;
	}
	/* if the e-mail address is at an IP address (as opposed to a symbolic
	host name) make sure the IP address is valid. */
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) 
	{	
		// this is an IP address	
		for (var i=1;i<=4;i++) 
		{
			if (IPArray[i]>255) 
			{
				alert("Destination IP address is invalid!");
				return false;
			}
		}
		return true;
	}
	// Domain is symbolic name.  Check if it's valid.	 
	var atomPat=new RegExp("^" + atom + "$");
	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 trim(str)
{
  return str.replace(/^\s+|\s+$/g, '');
}
function Sub(){
	email = new String(document.getElementById('txtEmail').value) ;
	pwd	  = new String(document.getElementById('txtPwd').value);	
	if(email ==''){	 
	alert('Email address is empty');
	document.getElementById('txtEmail').focus();
	return false;
	}
	else if(emailCheck (email))
	{
		if(pwd =='')
		{
			alert('Password is empty');
			document.getElementById('txtPwd').focus();
			return false;
		}else{
			return true ; 
		}
	}else{
		return false;
	}
}
function chAll()
{
	if(document.getElementById("CheckAll").checked)
	{
		countMem = document.form1.CountMembers.value;
		for(cm=1 ; cm <= countMem ; cm++)
		{
			var frCount	= "friends[" + cm + "]" ;
			document.getElementById(frCount).checked = true ;
		}
	}else{
		unChAll() ;
	}
}
function unChAll()
{
		document.getElementById("CheckAll").checked = false ;
		countMem = document.form1.CountMembers.value;
		for(cm=1 ; cm <= countMem ; cm++)
		{
			var frCount	= "friends[" + cm + "]" ;
			document.getElementById(frCount).checked = false ;
		}
}
function unCheck()
{
		document.getElementById("CheckAll").checked = false ;	
		document.getElementById("UncheckAll").checked = false ;	
}
function showTellFriend()
{
	showLoader();	
	document.getElementById('body').innerHTML ="<iframe src='/tellafriend/telfriendnew.php' width='100%' height='400px' name='con' id='con' frameborder='0' marginheight='0' marginwidth='0' scrolling='no'></iframe>";	 
}
function goBack()
{
	parent.window.location.reload()  ;
}
function SendMail(){
	email = new String(document.getElementById('txtEmail').value) ;
	name  = new String(document.getElementById('txtName').value);	
	if(email ==''){	 
	alert('Email address is empty');
	document.getElementById('txtEmail').focus();
	return false;
	}
	if(name ==''){	 
	alert('Your Name is empty');
	document.getElementById('txtName').focus();
	return false;
	}
	var emails = document.getElementById('friendEmails').value;
	var error = "no";
	if (emails == "") {
		error = "Please enter a valid email address in to the Friend's Email Address(es) field.";
	} else {
		var emailArray = emails.split(",");
		var RegExp = /^((([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+(\.([a-z]|[0-9]|!|#|$|%|&|'|\*|\+|\-|\/|=|\?|\^|_|`|\{|\||\}|~)+)*)@((((([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.))*([a-z]|[0-9])([a-z]|[0-9]|\-){0,61}([a-z]|[0-9])\.)[\w]{2,4}|(((([0-9]){1,3}\.){3}([0-9]){1,3}))|(\[((([0-9]){1,3}\.){3}([0-9]){1,3})\])))$/ 
		for (var i = 0; i < emailArray.length; i++) {
			if(!RegExp.test(emailArray[i])){ 
				error = "Please enter valid email addresses in to the Friend's Email Address(s) field.";
			}
		}
	}
	if(error != "no"){
		alert(error);
		document.getElementById('friendEmails').focus();
		return false;
	}
}

