/* BEGIN POP UP WINDOW */
function addEvent(elm, evType, fn, useCapture){if(elm.addEventListener){elm.addEventListener(evType, fn, useCapture);return true;}else if (elm.attachEvent){var r = elm.attachEvent('on' + evType, fn);return r;}else{elm['on' + evType] = fn;}}

var newWindow = null;

function closeWin(){
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function popUpWin(url, type, strWidth, strHeight){
	
	closeWin();
		
	type = type.toLowerCase();
	
	if (type == "fullscreen"){
		strWidth = screen.availWidth;
		strHeight = screen.availHeight;
	}
	var tools="";
	if (type == "standard") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+strWidth+",height="+strHeight+",top=0,left=0";
	if (type == "console" || type == "fullscreen") tools = "resizable,toolbar=no,location=no,scrollbars=no,width="+strWidth+",height="+strHeight+",left=0,top=0";
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}

function doPopUp(e)
{
//set defaults - if nothing in rel attrib, these will be used
var t = "standard";
var w = "780";
var h = "580";
//look for parameters
attribs = this.rel.split(" ");
if (attribs[1]!=null) {t = attribs[1];}
if (attribs[2]!=null) {w = attribs[2];}
if (attribs[3]!=null) {h = attribs[3];}
//call the popup script
popUpWin(this.href,t,w,h);
//cancel the default link action if pop-up activated
if (window.event) 
	{
	window.event.returnValue = false;
	window.event.cancelBubble = true;
	} 
else if (e) 
	{
	e.stopPropagation();
	e.preventDefault();
	}
}

function findPopUps()
{
var popups = document.getElementsByTagName("a");
for (i=0;i<popups.length;i++)
	{
	if (popups[i].rel.indexOf("popup")!=-1)
		{
		// attach popup behaviour
		popups[i].onclick = doPopUp;
		// add popup indicator
		if (popups[i].rel.indexOf("noicon")==-1)
			{
			//popups[i].style.backgroundImage = "url(pop-up.gif)";
			popups[i].style.backgroundPosition = "0 left";
			popups[i].style.backgroundRepeat = "no-repeat";
			//popups[i].style.paddingLeft = "0px";
			}
		// add info to title attribute to alert fact that it's a pop-up window
		popups[i].title = popups[i].title;
		}
	}
}

addEvent(window, 'load', findPopUps, false);

/* SUBMIT NEWSLETTER FORM */
function submit_form()
{
	if(document.form_newsletter.onsubmit())
	{
	document.form_newsletter.submit();
	}
}
/* END POP UP WINDOW */
/* VALID EMAIL FOR FORM */
function validEmail(email) {
	invalidChars = ' !#$%^&*(){}[]+=~`?/:;,"'

	
	if (email == "") {
		return false;
	}
	for (i=0; i<invalidChars.length; i++) { //does it contain any invalid characters?
		badChar = invalidChars.charAt(i);
		if (email.indexOf(badChar,0) > -1) {
			return false;
		}
	}
	atPos = email.indexOf("@",1)  		//there must be one "@" symbol
		if (atPos == -1) {
		return false;
	}
	if (email.indexOf("@",atPos+1) != -1) { //and only one "@"
		return false;
	}
	periodPos = email.indexOf(".",atPos+1)  //and at least one "." after the "@"
		if (periodPos == -1) {
		return false;
	}
	if (email.charAt(atPos+1) == ".") {	//is there a "." right after the "@"
		return false;
	}
	if (periodPos+3 > email.length) {  	//must be at least 2 characters after the "."
		return false;
	}
	return true;
}
function ValidateForm(form) {
	if (form.firstname.value == '') {
		alert("Please fill in your first name.");
		form.firstname.focus();
		form.firstname.select();
		return false;
	}
	
	if (form.lastname.value == '') {
		alert("Please fill in your last name.");
		form.lastname.focus();
		form.lastname.select();
		return false;
	}
	
	if (!validEmail(form.emailaddress.value)) {
		alert("A valid E-mail Address is required.");
		form.emailaddress.focus();
		form.emailaddress.select();
		return false;
	}
	return true;
}
function submitNewsletter() 
{
	if(document.newsletter_form.onsubmit())
	{
		document.newsletter_form.submit();
	}
}


function ValidateTickets(form) {
	if (!validEmail(form.emailaddress.value)) {
		alert("A valid E-mail Address is required.");
		form.emailaddress.focus();
		form.emailaddress.select();
		return false;
	}
	return true;
}





/* SUBMIT CONTACT FORM */
function submitContact()
{
	if(document.standard_form.onsubmit())
	{
	document.standard_form.submit();
	}
}


function ValidateContact(form) {
	if (form.firstname.value == '') {
		alert("Please fill in your first name.");
		form.firstname.focus();
		form.firstname.select();
		return false;
	}
	
	if (form.lastname.value == '') {
		alert("Please fill in your last name.");
		form.lastname.focus();
		form.lastname.select();
		return false;
	}
	if (!validEmail(form.emailaddress.value)) {
		alert("A valid E-mail Address is required.");
		form.emailaddress.focus();
		form.emailaddress.select();
		return false;
	}
	
	
	getRadios = document.getElementsByTagName("input")
	var count = 0;
	for (x=0; x < getRadios.length; x++) 
	{
		if (getRadios[x].type == "checkbox")
		{
			if (getRadios[x].checked == true)
			{
				count++;
			}
		}
	}
	if (count == 0)
	{
		alert("Please select reason for inquiry");
		return false;
	}

	if (form.comments.value == '') {
		alert("Please fill in a question or comment.");
		form.comments.focus();
		form.comments.select();
		return false;
	}
	
	
	return true;
}


function ValidateInfoPack(form) {
	if (form.firstname.value == '') {
		alert("Please fill in your first name.");
		form.firstname.focus();
		form.firstname.select();
		return false;
	}
	
	if (form.lastname.value == '') {
		alert("Please fill in your last name.");
		form.lastname.focus();
		form.lastname.select();
		return false;
	}
	if (!validEmail(form.emailaddress.value)) {
		alert("A valid E-mail Address is required.");
		form.emailaddress.focus();
		form.emailaddress.select();
		return false;
	}
	
	return true;
}



function submitSponsor()
{
	if(document.standard_form.onsubmit())
	{
	document.standard_form.submit();
	}
}

function ValidateSponsor(form) {
	if (form.first_name.value == '') {
		alert("Please fill in your first name.");
		form.first_name.focus();
		form.first_name.select();
		return false;
	}
	
	if (form.last_name.value == '') {
		alert("Please fill in your last name.");
		form.last_name.focus();
		form.last_name.select();
		return false;
	}
	if (!validEmail(form.email.value)) {
		alert("A valid E-mail Address is required.");
		form.email.focus();
		form.email.select();
		return false;
	}
	if (form.company.value == '') {
		alert("Please fill in your Company.");
		form.company.focus();
		form.company.select();
		return false;
	}
	return true;
}