/*
* author = Arun Bagdi
* BigDevil Inc
*/

function fndEmailCheck (emailStr , name )   
{
	emailStr = emailStr.toLowerCase();	
	/* 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("Invalid Email address");
	document.getElementById(name).focus();
	return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];

	var firstChar = user.substr(0,1);
	if (firstChar.charCodeAt(0)>47 && firstChar.charCodeAt(0)<58)
	{
		alert("Invalid Email address");	
		document.getElementById(name).focus();
		return false;
	}

			
	var vindex=emailStr.indexOf('@');         
	if(vindex<0){}
	else{
	var subvindex=emailStr.substr(0,vindex);
	var charpos1 = subvindex.search("[^A-Za-z0-9\._]");           
	if(charpos1 >= 0) 
		{ 
			alert("Invalid Email address");	
			document.getElementById(name).focus();
			return false;
		 }//if 

	}          


	// 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("Invalid Email address");		
			document.getElementById(name).focus();
			return false;
	   }
	}
	for (i=0; i<domain.length; i++) 
	{
		if (domain.charCodeAt(i)>127)
		{
		alert("Invalid Email address");	
		document.getElementById(name).focus();
		return false;
	   }
	}

	// See if "user" is valid 

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

	// user is not valid

	alert("Invalid Email address");
	document.getElementById(name).focus();
	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<5;i++)
			{
			if (IPArray[i]>255)
				{
					alert("Invalid Email address");
					document.getElementById(name).focus();
					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("Invalid Email address");
	document.getElementById(name).focus();
	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("Invalid Email address");
	document.getElementById(name).focus();
	return false;
	}

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

	if (len<2) {
	alert("Invalid Email address");
	document.getElementById(name).focus();
	return false;
	}

	// If we've gotten this far, everything's valid!
	return true;
}


function isUrNameOK(name, id , fname)
{
	var field_val=name.replace(/[ ]/g, "");	
	if (field_val.length==0)
	{
		alert('Please type '+fname+' Name');
		document.getElementById(id).focus();
		return false;
	}
	/*
	var firstChar = field_val.substr(0,1);
	if (firstChar.charCodeAt(0)>47 && firstChar.charCodeAt(0)<58)
	{
		alert(fname+" Name should start with alphabets only");
		document.getElementById(id).focus();
		return false;
	}

	var charpos = name.search("[^A-Za-z0-9]"); 
	if(name.length > 0 &&  charpos >= 0) 
	{ 
	    alert(fname+" Name accepts only alpha-numeric characters "); 
		document.getElementById(id).focus();
		return false; 
	 }//if    
	*/ 
	return true;
}


function isMessageOK()
{	
	var field_val=viewVideo.fndMsg.value.replace(/[ ]/g, "");
	if (field_val.length == 0)
	{
		alert('Please type Message.');		
		viewVideo.fndMsg.focus();
		return false;
	}
	return true;
}


function doCompletionSend(target)    
{
	initRequestSend();
	reqSend.onreadystatechange = useHttpResponseSend;
	reqSend.open("GET", target, true);
	reqSend.send(null);
}

function initRequestSend()
{
	if (window.XMLHttpRequest)
	{
		reqSend = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{
		reqSend = new ActiveXObject("Microsoft.XMLHTTP");
	}
}

function useHttpResponseSend()
{
	if (reqSend.readyState == 4)
	{
		if (reqSend.status == 200)
		{
			var textout = reqSend.responseText;		
			alert(textout);
		}
	}
}
     
function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function browserDetect()
{
	 if(document.layers)
	 {
		thisbrowser="NN4";
		viewVideo = document.viewVideo;
	 }
	 if(document.all)
	 {
		thisbrowser="ie";
	 }
	 if(!document.all && document.getElementById)
	 {
		thisbrowser="NN6";
		viewVideo = document.viewVideo;
	 }   
}

var reqSend ;

function sendVideoToFriend(type)
{
	browserDetect();

	var fname = viewVideo.fndName.value;
	var femail = viewVideo.femail.value;
	var uname = viewVideo.uname.value;
	var your =	viewVideo.eml.value;
	var sub = viewVideo.sub.value;	
	var fndMsg = viewVideo.fndMsg.value;
	var vidURL = escape(viewVideo.vidURL.value);

	if(isUrNameOK(fname , "fndName" , "Friend") &&  fndEmailCheck(femail , "femail") && isUrNameOK(uname , "uname" , "Your") && fndEmailCheck(your , "eml") && isMessageOK())
	{
		target = "/mailVideoLink?fndName="+fname+"&fndEmail="+femail+"&uname="+uname+"&hisEmail="+your+"&subject="+sub+"&fndMsg="+fndMsg+"&link="+vidURL;		
		doCompletionSend(target);		
		viewVideo.fndName.value="";
		viewVideo.femail.value="";
		viewVideo.uname.value="";
		viewVideo.eml.value="";		
	}

}


String.prototype.replaceAll12 = function(strTarget,strSubString)
{
	var strText = this;
	var intIndexOfMatch = strText.indexOf( strTarget );
	while (intIndexOfMatch != -1)
	{
		strText = strText.replace( strTarget, strSubString )
		intIndexOfMatch = strText.indexOf( strTarget );
	}
	return( strText );
}

var reqSend