/*This file is used for validation of ContactUs.jsp */          

	// validate email 
	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("Invalid Email address");		    
		signUpForm.email.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");
			signUpForm.email.focus();
			return false;
		}

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

		// See if "user" is valid 

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

		// user is not valid

		alert("Invalid Email address");
		signUpForm.email.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<=4;i++) {
		if (IPArray[i]>255) {
		alert("Invalid Email address");
		signUpForm.email.focus();
		return false;
		   }
		}
		alert("valid Email address");
	  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");
	signUpForm.email.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");
	signUpForm.email.focus();
	return false;
	}

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

	if (len<2) {
	alert("Invalid Email address");
	signUpForm.email.focus();
	return false;
	}

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

	function isQueryTypeOK(){
		var field_val=signUpForm.subject.value.replace(/[ ]/g, "");		  
		if (field_val == "select"){
			alert('Please select question topic');
			signUpForm.subject.focus();
			return false;
			}
			
		return true;
	}	

	function isQueryOK(){
		var field_val=signUpForm.contain.value.replace(/[ ]/g, "");
		if (field_val.length==0){
			alert('Please type your message');
			
			signUpForm.contain.focus();
			return false;
			}
            
		return true;
	}	
function doSubmit12(){             
		
			if(emailCheck(document.signUpForm.email.value)){	                  
			
				send('signUpForm','contactPost','search');  
			}
		}