var isIE = (document.getElementById && document.all)?true:false;
var isNS4 = (document.layers)?true:false;
var isNS6 = (document.getElementById && !document.all)?true:false;
var pageWidth;
var pageHeight;
var url;
function myGetElementById (id)
{
    if ( isIE )
    {
	var str = "document.all('" + id + "')";
	var o = eval(str);
	return o;
    }

    return document.getElementById(id);
}

function findDimensions() {
    var frameWidth;
    var frameHeight;

    if (self.innerWidth)
    {
	frameWidth = self.innerWidth;
	frameHeight = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientWidth)
    {
	frameWidth = document.documentElement.clientWidth;
	frameHeight = document.documentElement.clientHeight;
    }
    else if (document.body)
    {
	frameWidth = document.body.clientWidth;
	frameHeight = document.body.clientHeight;
    }
    else
	return;

    // if there's valid info, update the globals so they can be used elsehere
    pageWidth = frameWidth;
    pageHeight = frameHeight;
	
	myGetElementById('content').style.height = pageHeight + "px";
	myGetElementById('content').style.width = ( pageWidth - 500) + "px";
	myGetElementById('signup').style.width = ( pageWidth - 517) + "px";
}

function bgLeft() {

    if ( pageHeight < 800 ) {
	myGetElementById('background').style.left = "500px";
	myGetElementById('background').style.top = "330px";
    } else {
	myGetElementById('background').style.left = "500px";
	myGetElementById('background').style.bottom = "0";
	}
}

function bgRight() {
    if ( pageHeight < 800 ) {
	myGetElementById('background').style.right = "0";
	myGetElementById('background').style.top = "330px";
	myGetElementById('background').style.left = "";
    } else {
	myGetElementById('background').style.right = "0";
	myGetElementById('background').style.bottom = "0";
	myGetElementById('background').style.left = "";
	}
}

/***********************************************
* Dynamic Ajax Content- ? Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var loadedobjects=""
var rootdomain="http://"+window.location.hostname

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
page_request.open('GET', url, true)
page_request.send(null)
findDimensions();
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}

function passIt() {
var testV = 1;
var pass1 = prompt('Enter Your Password',' ');
while (testV < 3) {
if (!pass1) 
history.go(-1);
if (pass1.toLowerCase() == "easytiger") {
alert('by sea or by air, the eaglesharks are there.');
window.open('/v3/eaglesharksmain.html');
break;
} 
testV+=1;
var pass1 = 
prompt('Access Denied - Password Incorrect, Please Try Again.','Password');
}
if (pass1.toLowerCase()!="password" & testV ==3) 
history.go(-1);
return " ";
} 

// Photo page

function setPhoto (url,caption)
{
	myGetElementById("copy-and-paste").innerHTML = "Copy the following and paste it into your page:<br>&lt;img src=http://www.menwomenandchildren.com/" + url + "&gt;";
    myGetElementById("main-photo").src = url;
	myGetElementById("caption").innerHTML = ":: "+caption+" ::";
	myGetElementById("click-to-add").style.display = "block";
	myGetElementById("copy-and-paste").style.display = "none";
}

function addPhoto () {
	myGetElementById("click-to-add").style.display = "none";
	myGetElementById("copy-and-paste").style.display = "block";
}

// Load pages

function news() {
	if (isMacIE) {
		warnMacIE();
	} else {
	findDimensions();
	ajaxpage('news.jsp','content');
	ajaxpage('tiger.html','background');
	bgRight();
	}
}

function media() {
	findDimensions();
	ajaxpage('media.html','content');
	ajaxpage('frog.html','background');
	bgRight();
}

function tour() {
	findDimensions();
	ajaxpage('tour.jsp','content');
	ajaxpage('zebra.html','background');
	bgRight();
}

function eaglesharks() {
	findDimensions();
	ajaxpage('eaglesharks.html','content');
	ajaxpage('nothing.html','background');
}

function photos() {
	findDimensions();
	ajaxpage('photos.html','content');
	ajaxpage('nothing.html','background');
}

function links() {
	findDimensions();
	ajaxpage('links.html','content');
	ajaxpage('nothing.html','background');
}

function contact() {
	findDimensions();
	ajaxpage('contact.html','content');
	ajaxpage('giraffe-cat.html','background');
	bgLeft();
}

function mailinglist() {
 findDimensions();
 ajaxpage('mailinglist.html','content');
 ajaxpage('nothing.html','background');
}

function signup() {
	findDimensions();
	ajaxpage('signup.html','content');
	ajaxpage('nothing.html','background');
}

function esthanks() {
	findDimensions();
	ajaxpage('esthanks.html','content');
	ajaxpage('nothing.html','background');
}

function esnews() {
	findDimensions();
	ajaxpage('streetnews.html','content');
	ajaxpage('nothing.html','background');
}

function esstuff() {
	findDimensions();
	ajaxpage('streetstuff.html','content');
	ajaxpage('nothing.html','background');
}

function esthings() {
	findDimensions();
	ajaxpage('streetthings.html','content');
	ajaxpage('nothing.html','background');
}

// Clear form inputs

function clear_email()
{
if (myGetElementById('email').value == "your email address")
myGetElementById('email').value = "";
}

function clear_mobile()
{
if (myGetElementById('mobile').value == "your mobile #")
myGetElementById('mobile').value = "";
}

// Hide signup after submit

function clear_signup()
{
	myGetElementById('signup').style.display = "none";
}

function validate(thisForm)
{  

var haveerrors = false;

   

    var zip = thisForm.age_consent.value;
    if (!haveerrors && (zip == null || isBlank(zip))) {
        alert("Please enter your zip code.");
        thisForm.field_zip.focus();
        haveerrors = true;
    }
    

    return !haveerrors;
}


function isBlank(s) {
    for (var i=0; i< s.length; i++)  {
        var c = s.charAt(i);
        if ((c != ' ') && (c !='\n') && (c != '\t')) return false;
    }
    return true;
}