// SubscribeEmail
function SubscribeEmail()
{
	//Ajax request
	xmlHTTPRetrievePost("/SubscribeEmail.asp?NewsletterSubscription=yes&email="+document.getElementById("email").value,"SubscribeBox");
}

//Post an XML HTTP Request for AJAX
function xmlHTTPRetrievePost(strURL, divName)
{
    var xmlHttpReq = null;
    if (xmlHttpReq != null) {
    }
    //var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    xmlHttpReq.open('GET', strURL, true);
    xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xmlHttpReq.onreadystatechange = function() {
        if (xmlHttpReq.readyState == 4) {
		//alert('ready state:' + xmlHttpReq.readyState);
		//alert('status:     ' + xmlHttpReq.status);
		//alert('response:   ' + xmlHttpReq.responseText);
		populateSubscribeBox(xmlHttpReq.responseText, divName);
        }
    }
	
    //Compose and send the request string
    xmlHttpReq.send("divName=" + divName);
}

function populateSubscribeBox(strResult, divName)
{
    var ctrl = document.getElementById(divName);

    if (ctrl) 
          ctrl.innerHTML = strResult;         		
}

//function to fix the IE rollover 
function fixIE6flicker(fix) {
	try {
		document.execCommand("BackgroundImageCache", false, fix);
	}
	catch(err) { }
}

//homepage - display section on hover
function setIslandContent() {
	$('.splash #island .nav li:last').addClass('last');
	//set first nav item and spotlight as selected/visible
	$('.splash #island .nav li:first a').addClass('selected');
	$('.splash #island .spot:first').addClass('selected');
	//show widget
	$('.splash #island .nav').css('display','block');
	//set on-state for active button and corresponding copy
	$('.splash #island .nav a').hover(
		function() {
			var navlength = $(this).parents('ul.nav').children();
			var navlinks = navlength.find('a');
			for(var i=0;i!=navlength.length;i++){
				if(navlinks.eq(i).hasClass('selected')){
					navlinks.eq(i).removeClass('selected');
				}
			}
			$(this).addClass('selected');
			
			var spots = $('.splash #island .spot');
			for(var j=0;j!=navlength.length;j++){
				if(navlinks.eq(j).hasClass('selected')){
					for(var k=0;k!=spots.length;k++){
						if(spots.eq(k).hasClass('selected')){
							spots.eq(k).removeClass('selected');
						}
					}
					spots.eq(j).addClass('selected');
				}
			}
		}
	)
};

//homepage - underline heading when hovering over related photo
function setIslandText() {
	$('.splash #island .spot a.photolink').hover(
		function() {
			$(this).next('.content').find('h1 a').css('text-decoration','underline');
		},
		function() {
			$(this).next('.content').find('h1 a').css('text-decoration','none');
		}
	)
};

$(document).ready(function(){
	fixIE6flicker(true);
	setIslandContent();
	setIslandText();
});