/**
*		File Name:			formValidation.js
*		Programmer:			Mike Bender
*										Duforu Design
*		Creation Date:	09/22/2004
*		Last Modified:	11/04/2004
**/
function validateCUForm() 
{
	nErrs = 0;
	sErrMsg = "";	
	
	if ((document.contactForm.employee.value == "-select one-") && (document.contactForm.department.value == "-select one-"))
	{
		nErrs++;
		sErrMsg = "- You must select an employee or department\n";
	}
	if (document.contactForm.customer_name.value == "")
	{
		nErrs++;
		sErrMsg = sErrMsg+"- Your name is required\n";
	}
	if (document.contactForm.email.value == "")
	{
		nErrs++;
		sErrMsg = sErrMsg+"- Your e-mail address is required\n";
	} else {
		sRet = emailCheck(document.contactForm.email.value);
		
		if (sRet)
		{
			nErrs++;
			sErrMsg = sErrMsg+sRet+"\n";
		}
	}
	/**	Validate text field		**/
	if ((document.contactForm.comments.value == "") || (document.contactForm.comments.value.length < 10))
	{
		nErrs++;
		sErrMsg = sErrMsg+"- You must enter a message of at least 10 characters\n";
	}
	/**		Validate Zip Code			**/
	if (document.contactForm.zip.value != "")
	{	/**		If Zip Code is provide verify it is only numbers		**/
		sMsg = validateZIP(document.contactForm.zip.value);
		if (sMsg)
		{
			nErrs++;
			sErrMsg = sErrMsg+"- "+sMsg+"\n";
		}
	}


	if (nErrs)
	{
		sTemp = 'You have not completed all of the required fields or incorrectly completed some.\nPlease complete or correct the following fields and resubmit.\n'+ nErrs;
		if (nErrs > 1)
		{
			sErrMsg = sTemp + " total errors to fix\n\n" + sErrMsg+"\n~Thank You";
		} else {
			sErrMsg = sTemp + " error to fix\n\n" + sErrMsg+"\n~Thank You";
		}
		 
		if (document.contactForm.customer_name.value != "") 
		{
			sErrMsg = document.contactForm.customer_name.value+",\n" + sErrMsg;
		}
		alert (sErrMsg);
		return false;
	} else {
		return true;
	}
}


function validateZIP(field) 
{
	var valid = "0123456789-";
	var hyphencount = 0;

	if (field.length!=5 && field.length!=10) 
	{
		sMsg = "Zip code is 5 digits or 5 digits +4";
		return sMsg;
	}
	
	for (var i=0; i < field.length; i++) 
	{
		temp = "" + field.substring(i, i+1);
		if (temp == "-") hyphencount++;
		if (valid.indexOf(temp) == "-1") 
		{
			sMsg = "Invalid characters in your zip code.  Please try again.";
			return sMsg;
		}
		if ((hyphencount > 1) || ((field.length==10) && ""+field.charAt(5)!="-") || ((hyphencount > 0) && (field.length==5))) 
		{
			sMsg = "The hyphen character should be used with a properly formatted 5 digit+four zip code, like '12345-6789'";
			return sMsg;
   }
	}
	return false;
}

function emailCheck (emailStr) 
{
	var sMsg;
	/* 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. */		
		sMsg = "- Your email address seems incorrect (check @ and .'s)";
		return sMsg;
	}
	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; iuser.length; i++) 
	{
		if (user.charCodeAt(i)>127) 
		{
			sMsg = "- username contains invalid characters";
			return sMsg;
		 }
	}
	for (i=0; i<domain.length; i++) 
	{
		if (domain.charCodeAt(i)>127) 
		{
			sMsg = "- domain name contains invalid characters";
			return sMsg;
		 }
	}
	
	// See if "user" is valid 
	if (user.match(userPat)==null) 
	{
		// user is not valid		
		sMsg = "- username doesn't appear to be valid.";
		return sMsg;
	}
	
	/* 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) 
			{
				sMsg = "- destination IP address is invalid";
				return sMsg;
		 }
		}
		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) 
		{
			sMsg = "- domain name does not seem to be valid";
			return sMsg;
		 }
	}
	/* 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) 
	{
		sMsg = "- address must end in a well-known domain or two letter country";
		return sMsg;
	}
	// Make sure there's a host name preceding the domain.
	if (len2) 
	{
		sMsg = "- address is missing hostname";
		return sMsg;
	}	
	// If we've gotten this far, everything's valid!
	return false;
}

function textCounter(field, countfield, maxlimit) 
{
	if (field.value.length > maxlimit) // if too long...trim it!
	{
		alert("You may only enter 300 characters!");
		field.value = field.value.substring(0, maxlimit);
		// otherwise, update 'characters left' counter
	} else  {
		countfield.value = maxlimit - field.value.length;
	}
}
//  End -->