//Define global variables

var timerID = null;
var timerOn = false;
var timecount = 500;
var what = null;
var newbrowser = true;
var check = false;
var visibleVar;
var styleSwitch;
var layerRef;

function init(){
	//  alert ("Running Init");
	if (document.layers) {
		//  alert ("Running Netscape 4");
		layerRef="document.layers";
		styleSwitch="";
		visibleVar="show";
		screenSize = window.innerWidth;
		what ="ns4";
	} else if(document.all) {
		//  alert ("Running IE");
		layerRef="document.all";
		styleSwitch=".style";
		visibleVar="visible";
		screenSize = document.body.clientWidth + 18;
		what ="ie";
	} else if(document.getElementById) {
		/*  alert ("Running Netscape 6"); */
		layerRef="document.getElementByID";
		styleSwitch=".style";
		visibleVar="visible";
		what="moz";
	} else {
		/* alert("Older than 4.0 browser."); */
		what="none";
		newbrowser = false;
	}
	window.status='';
	check = true;
}

/* Turns the layers on and off */
function showLayer(layerName){
	if(check){
		if (what =="none"){
			return;
		}
		else if (what == "moz"){
			document.getElementById(layerName).style.visibility="visible";
		}
		else{
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"');
		}
	}
	else {// alert ("Please wait for the page to finish loading.");
		return;
	}
}

function hideLayer(layerName){
	if(check){
		if (what =="none"){
			return;
		}
		else if (what == "moz"){
			document.getElementById(layerName).style.visibility="hidden";
		}
		else{
			eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"');
		}
	}
	else {// alert ("Please wait for the page to finish loading.");
		return;
	}
}


function hideAll(){
	hideLayer('layer1');
	hideLayer('layer2');
	hideLayer('layer3');
}

function hideAllTrans(){
	MM_showHideLayers('TRwmv1','','hide');
	MM_showHideLayers('TRmov1','','hide');
	MM_showHideLayers('TRwmv2','','hide');
	MM_showHideLayers('TRmov2','','hide');
	MM_showHideLayers('TRwmv3','','hide');
	MM_showHideLayers('TRmov3','','hide');
	MM_showHideLayers('TRwmv4','','hide');
	MM_showHideLayers('TRmov4','','hide');
	MM_showHideLayers('TRwmv5','','hide');
	MM_showHideLayers('TRmov5','','hide');
	MM_showHideLayers('TRwmv6','','hide');
	MM_showHideLayers('TRmov6','','hide');
	MM_showHideLayers('TRwmv7','','hide');
	MM_showHideLayers('TRmov7','','hide');
	MM_showHideLayers('TRwmv8','','hide');
	MM_showHideLayers('TRmov8','','hide');
	MM_showHideLayers('TRwmv9','','hide');
	MM_showHideLayers('TRmov9','','hide');
	MM_showHideLayers('TRwmv10','','hide');
	MM_showHideLayers('TRmov10','','hide');
	MM_showHideLayers('TRwmv11','','hide');
	MM_showHideLayers('TRmov11','','hide');
	MM_showHideLayers('TRwmv12','','hide');
	MM_showHideLayers('TRmov12','','hide');
	MM_showHideLayers('TRwmv13','','hide');
	MM_showHideLayers('TRmov13','','hide');
	MM_showHideLayers('TRwmv14','','hide');
	MM_showHideLayers('TRmov14','','hide');
	MM_showHideLayers('TRwmv15','','hide');
	MM_showHideLayers('TRmov15','','hide');
	MM_showHideLayers('TRwmv16','','hide');
	MM_showHideLayers('TRmov16','','hide');
	MM_showHideLayers('TRwmv17','','hide');
	MM_showHideLayers('TRmov17','','hide');
	MM_showHideLayers('TRwmv18','','hide');
	MM_showHideLayers('TRmov18','','hide');
	MM_showHideLayers('TRwmv19','','hide');
	MM_showHideLayers('TRmov19','','hide');
	MM_showHideLayers('TRwmv20','','hide');
	MM_showHideLayers('TRmov20','','hide');
}

function hideAllVideoCredits(){
	MM_showHideLayers('MvCr1','','hide');
	MM_showHideLayers('MvCr2','','hide');
	MM_showHideLayers('MvCr3','','hide');
	MM_showHideLayers('MvCr4','','hide');
	MM_showHideLayers('MvCr5','','hide');
	MM_showHideLayers('MvCr6','','hide');
	MM_showHideLayers('MvCr7','','hide');
	MM_showHideLayers('MvCr8','','hide');
	MM_showHideLayers('MvCr9','','hide');
	MM_showHideLayers('MvCr10','','hide');
	MM_showHideLayers('MvCr11','','hide');
	MM_showHideLayers('MvCr12','','hide');
	MM_showHideLayers('MvCr13','','hide');
	MM_showHideLayers('MvCr14','','hide');
	MM_showHideLayers('MvCr15','','hide');
	MM_showHideLayers('MvCr16','','hide');
	MM_showHideLayers('MvCr17','','hide');
	MM_showHideLayers('MvCr18','','hide');
	MM_showHideLayers('MvCr19','','hide');
	MM_showHideLayers('MvCr20','','hide');
}

function startTime() {
	if (timerOn == false) {
		timerID=setTimeout( "hideAll()" , timecount);
		timerOn = true;
	}
}


function stopTime() {
	if (timerOn) {
		clearTimeout(timerID);
		timerID = null;
		timerOn = false;
	}
}


function onLoad(){
	init();
}


/* this function opens a popup window named popupName that displays popupFile with height popupHeight and width popupWidth */
function openPopup(popupName,popupFile,windowFeatures) {
	var w = window.open(popupFile, popupName, windowFeatures);
	w.focus();
}

			
function emailCheck (emailStr) {
// convert the email to lower case
emailStr = emailStr.toLowerCase();
// Check top-level domains
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)$/;
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
// Start trying to figure out if the supplied address is valid.
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
	/* Too many/few @'s or something; basically, this address doesn't
	even fit the general mould of a valid e-mail address. */
	alert("Email address seems incorrect (check @ and .'s)");
	return false;
}
var user=matchArray[1];
var domain=matchArray[2];
// Start by checking that only basic ASCII characters are in the strings (0-127).
for (i=0; i<user.length; i++) {
	if (user.charCodeAt(i)>127) {
		alert("Ths username contains invalid characters.");
		return false;
   }
}
for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {
		alert("Ths domain name contains invalid characters.");
		return false;
   }
}
// See if "user" is valid 
if (user.match(userPat)==null) {
	// user is not valid
	alert("The username doesn't seem to be valid.");
	return false;
}
/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
	// this is an IP address
	for (var i=1;i<=4;i++) {
		if (IPArray[i]>255) {
			alert("Destination IP address is invalid!");
			return false;
		}
	}
	return true;
}
// Domain is symbolic name.  Check if it's valid.
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
	if (domArr[i].search(atomPat)==-1) {
		alert("The domain name does not seem to be valid.");
		return false;
   }
}
// Make sure domain ends in a known top-level domain or a two-letter word (country)
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
	alert("The address must end in a well-known domain or two letter " + "country.");
	return false;
}
// Make sure there's a host name preceding the domain.
if (len<2) {
	alert("This address is missing a hostname!");
	return false;
}
// If we've gotten this far, everything's valid!
return true;
}
// Logo image was clicked. detect if opener or not.^M
function goHome()
{
  try {
    opener.focus();
  } catch (e) {
    window.location.href="/";
  }

}