var regionids = new Array();

regionids[0] = 'western-canada';

regionids[1] = 'quebec';

regionids[2] = 'ontario';

regionids[3] = 'atlantic-canada';

regionids[4] = 'new-england';

var timer;

function showTab(regionid) {
	regiontab = document.getElementById('tab-' + regionid);
	regionlink = document.getElementById('link-' + regionid);
	if (regiontab.className != 'selected')
		regiontab.className = 'on';
	if (regionlink.className != 'selected')
		regionlink.className = 'on';
}
function hideTab(regionid) {
	regiontab = document.getElementById('tab-' + regionid);
	regionlink = document.getElementById('link-' + regionid);
	if (regiontab.className != 'selected')
		regiontab.className = '';
	if (regionlink.className != 'selected')
		regionlink.className = '';
}


function playSlides(slide) {

	var slide = typeof(slide) == 'number' ? slide : 0;
	var nextslide = 0;
		
	for (i=0;i < regionids.length;i++) {
		
		regiontab = document.getElementById('tab-' + regionids[i]);
		regionlink = document.getElementById('link-' + regionids[i]);
		contentbox = document.getElementById('content-' + regionids[i]);
		
		if (i == slide) {
			regiontab.className = 'selected';
			regionlink.className = 'selected';
			contentbox.style.display = 'block';
		} else {
			regiontab.className = '';
			regionlink.className = '';
			contentbox.style.display = 'none';
		}
	}
	if (slide < regionids.length-1) {
		nextslide = slide + 1;
	} else {
		nextslide = 0;
	}
	
	timer = window.setTimeout('playSlides(' + nextslide + ')',10000);
}

function selectRegion(regionid) {
	var selectedIndex = 0;
	
	if (regionid != 'western-canada') {
		regiontab = document.getElementById('tab-western-canada');
		regionlink = document.getElementById('link-western-canada');
		contentbox = document.getElementById('content-western-canada');
		regiontab.className = '';
		regionlink.className = '';
		contentbox.style.display = 'none';
	}
	else {
		selectedIndex = 0;
	}
	
	if (regionid != 'quebec') {
		regiontab = document.getElementById('tab-quebec');
		regionlink = document.getElementById('link-quebec');
		contentbox = document.getElementById('content-quebec');
		regiontab.className = '';
		regionlink.className = '';
		contentbox.style.display = 'none';
	}
	else {
		selectedIndex = 1;
	}
	
	if (regionid != 'ontario') {
		regiontab = document.getElementById('tab-ontario');
		regionlink = document.getElementById('link-ontario');
		contentbox = document.getElementById('content-ontario');
		regiontab.className = '';
		regionlink.className = '';
		contentbox.style.display = 'none';
	}
	else {
		selectedIndex = 2;
	}
	
	if (regionid != 'atlantic-canada') {
		regiontab = document.getElementById('tab-atlantic-canada');
		regionlink = document.getElementById('link-atlantic-canada');
		contentbox = document.getElementById('content-atlantic-canada');
		regiontab.className = '';
		regionlink.className = '';
		contentbox.style.display = 'none';
	}
	else {
		selectedIndex = 3;
	}
	
	if (regionid != 'new-england') {
		regiontab = document.getElementById('tab-new-england');
		regionlink = document.getElementById('link-new-england');
		contentbox = document.getElementById('content-new-england');
		regiontab.className = '';
		regionlink.className = '';
		contentbox.style.display = 'none';
	}
	else {
		selectedIndex = 4;
	}
	
	regiontab = document.getElementById('tab-' + regionid);
	regionlink = document.getElementById('link-' + regionid);
	contentbox = document.getElementById('content-' + regionid);
	regiontab.className = 'selected';
	regionlink.className = 'selected';
	contentbox.style.display = 'block';
	
	clearTimeout(timer);
	playSlides(selectedIndex);	
}

// function exists, so we can now call it
if (window.attachEvent) {
	window.attachEvent("onload", playSlides);
} else if (window.addEventListener) {
	window.addEventListener("load", playSlides, false);
}