// JavaScript Document

<!-- hide from old skool browsers


function autoTab(field1, len, field2) {
	if (document.getElementsByName(field1)[0].value.length == len) {
		document.getElementsByName(field2)[0].focus();
		}
}
//want to diable other selects when one is picked hopefully can us this. to help
function disableSelects()
{
	//var selects = document.getElementByTagName('select')
}

//quick required fields check and a killer email one.
//if error message is != "" it means there has been an error
//so no holder vaild boolean required - cunning like a fox
function validateForm()
{
	var valid = false;
	var error = ""; // to fire out only one alert will all info at the end

	//assign form vars to an internal array
	var formVars = new Array();
	formVars["First Name"] = document.getElementsByName('first_name')[0].value;
	formVars["Last Name"] = document.getElementsByName('last_name')[0].value;
	formVars["Address 1"] = document.getElementsByName('address')[0].value;
	formVars["Postcode"] = document.getElementsByName('zip')[0].value;
	formVars["Email"] = document.getElementsByName('email_address')[0].value;
	formVars["Telephone no."] = document.getElementsByName('g_order_phone')[0].value;

	
	
	for(x in formVars)
	{
		if(formVars[x] == "") error = error.concat(x+"\n");
	}
	
	//if email has been filled in test it and then error can be thrown with required files AND email
	//with the hope that a user will have a greater chance of getting it right second time instead of 3rd etc
	if(formVars["Email"] != "") emailCheck(formVars["Email"]);
	//if an error has been thrown at any stage, output an alert
	if(error == ""){
		valid = true;
	}else {
		alert("Please complete all fields marked with *\nYou missed:\n"+error);
		return valid;
	}
	
	//robbed from the JavaScriptsource.com and a fine steal it is too
	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)")
			error = error.concat("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.") put back in if not part of a larger form
			error = error.concat("The Email username section 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!")
					error = error.concat("Email 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.")
			error = error.concat("The Email 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.")
		   error = error.concat("The Email 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 Email address is missing a hostname!"
		   error = error.concat(errStr)
		   //alert(errStr)
		   return false
		}
		
		// If we've gotten this far, everything's valid!
		return true;
		}
		//  End email check-->
}
-->