

//=============================================================
function validateContactForm(theForm){

var strMsg = "";

	if(theForm.Message.value == ""){
		strMsg = "\n - Please enter your message." + strMsg;
		theForm.Message.focus();
	}else{
	  var strMessage = theForm.Message.value;
	  //length acceptable = 5100 - allowance for differing progs/languages counting characters differently
	  if(strMessage.length > 5100){
		strMsg = "\n - Your Message is more than 5000 characters in length and only 5000 characters are accepted." + strMsg;
		theForm.Message.focus();
	  }
	}

	if(theForm.Phone.value == ""){
		strMsg = "\n - Please enter a phone number." + strMsg;
		theForm.Phone.focus();
	}
	
	if(theForm.EmailAddress.value == ""){
		strMsg = "\n - Please enter an email address." + strMsg;
		theForm.EmailAddress.focus();
	}
		
	if(theForm.SenderName.value == ""){
		strMsg = "\n - Please enter your name." + strMsg;
		theForm.SenderName.focus();
	}

	if(strMsg != ""){
	    strMsg = "\nWe're sorry but there was a problem sending your message.          \n" + strMsg;;
	    strMsg = strMsg + "\n\nPlease click 'OK' to return to the Contact form.\n" ;;
		alert(strMsg);
		return false;
	}
	else{
		return true;
	}

  
}

function emailCheck (passedObj) {
	passedObj.value = trim(passedObj.value);
	emailStr = passedObj.value;
	if (emailStr =="") return true;
	/* 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)")
		BadMail(passedObj);
		return false	
	}
	var user=matchArray[1]
	var domain=matchArray[2]

	// See if "user" is valid 
	if (user.match(userPat)==null) {
    // user is not valid
    alert("The username doesn't seem to be valid.")
		BadMail(passedObj);
    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!")
					BadMail(passedObj);
					return false
	    }
    }
    return true
	}

	// Domain is symbolic name
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		alert("The domain name doesn't seem to be valid.")
		BadMail(passedObj);
		return false
	}

	/* domain name seems valid, but now make sure that it ends in a
		 three-letter word (like com, edu, gov) or a two-letter word,
		 representing country (uk, nl), and that there's a hostname preceding 
     the domain or country. */

	/* Now we need to break up the domain to get a count of how many atoms
    it consists of. */
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>4) {
    // the address must end in a two, three or four letter word.
    alert("The address must end in a three/four-letter domain, or two letter country.")
		BadMail(passedObj);
    return false
	}

	// Make sure there's a host name preceding the domain.
	if (len<2) {
   alert("This address is missing a hostname!")
	 BadMail(passedObj);
   return false
	}

	// If we've gotten this far, everything's valid!
	return true;
}

function BadMail(passedObj) {
		passedObj.select();
		passedObj.focus();
		return true;
}

function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
} // Ends the "trim" function

