// Form Validator
var phoneFeild;
var eMailFeild;

if(navigator.appName == 'Microsoft Internet Explorer'){
	nodeNumber = 0;
}else {
	nodeNumber = 1;
	}
	
function contactErrorOn() {
	document.getElementById('eMail').parentNode.childNodes[nodeNumber].lastChild.style.visibility="visible";  //Turn on eMail Error message
	document.getElementById('phone').parentNode.childNodes[nodeNumber].lastChild.style.visibility="visible";	//Turn on phone Error message
	}

function contactErrorOff() {
	document.getElementById('eMail').parentNode.childNodes[nodeNumber].lastChild.style.visibility="hidden";		//Turn off email Error message
	document.getElementById('phone').parentNode.childNodes[nodeNumber].lastChild.style.visibility="hidden";	//Turn off phone Error message
	}
	
function checkForm(which) {
  var pass=false;
  for (i=0;i<which.length;i++) {
    var tempobj=which.elements[i];
   	if (tempobj.type == 'text') {
		pass=checkFeild(tempobj);
		if(tempobj.name == 'squad'){
			tempobj.value = 'There are ' + tempobj.value + ' in the sqaud';
			}
		if(pass == false){
		tempobj.focus();
			return false;
			break;
			}
		}
	}
/*if (pass){
	alert("pass is " + pass);
	return true;
	}else {
	return false;
	}*/
}
	
function checkFeild(x) {
	//set feild border style back to default
	x.style.border = '1px solid #9d301b';
	if (x.id !=='phone' && x.id !=='eMail' ) {
		valid = checkLength(x);
		if (valid){
			return true;
			}else {
			return false;
			}
	}
	else if (x.id =='phone') {
		if(x.value.length == 0) {
			phoneFeild = false;
			}else{
				phoneFeild = true;
				contactErrorOff();
				return true;
				}
		}else if (x.id == 'eMail'){
			if (x.value.length == 0 && phoneFeild == false){
				contactErrorOn();
				return false;
				}else if (x.value.length > 0){
					valid = emailCheck(x.value);
						if (valid) {
						contactErrorOff();
						return true;
						}
						else {
						x.parentNode.childNodes[nodeNumber].innerHTML = 'Email address:<em>Invalid!</em>';
						contactErrorOn();
						return false;
						}
						}else {
				x.value = "noEmailSupplied@corlatt.com";
				return true;
				}
			}
	
}
	
function checkLength(x){
	if(x.value.length == 0) {
		x.parentNode.childNodes[nodeNumber].lastChild.style.visibility="visible"; //Turn on Error message
		
		return false;
		}
	x.parentNode.childNodes[nodeNumber].lastChild.style.visibility="hidden";  //Turn off Error message
	return true;
	}

// begin email validation	
function emailCheck (emailStr) {
	/* 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)")
		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.")
		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
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		//alert("The domain name doesn't seem to be valid.")
		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>3) {
	   // the address must end in a two letter or three letter word.
	   //alert("The address must end in a three-letter domain, or two letter country.")
	   return false
	}
	
	// Make sure there's a host name preceding the domain.
	if (len<2) {
	   var errStr="This address is missing a hostname!"
	   //alert(errStr)
	   return false
	}
	
	// If we've gotten this far, everything's valid!
	return true;
}
//  End -->