<!--

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		button_welcome_over = newImage("/images/button-welcome-over.gif");
		button_contact_over = newImage("/images/button-contact-over.gif");
		button_events_over = newImage("/images/button-events-over.gif");
		button_newsletter_over = newImage("/images/button-newsletter-over.gif");
		button_announcements_over = newImage("/images/button-announcements-over.gif");
		button_backpacking_over = newImage("/images/button-backpacking-over.gif");
		button_canoeing_over = newImage("/images/button-canoeing-over.gif");
		button_climbing_over = newImage("/images/button-climbing-over.gif");
		button_travel_over = newImage("/images/button-travel-over.gif");
		button_fishing_over = newImage("/images/button-fishing-over.gif");
		button_clothing_over = newImage("/images/button-clothing-over.gif");
		button_footwear_over = newImage("/images/button-footwear-over.gif");
		button_accessories_over = newImage("/images/button-accessories-over.gif");
		preloadFlag = true;
	}
}

function check_email(formname)
{
	var x = formname.email.value;
	
	if(x == "")
	{
			alert("Please fill in your e-mail address to sign up for our E-Newsletter before submitting.");
			formname.email.focus();
			return false;
	}
	
	
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(x))
	{
		alert("Please provide a valid e-mail address before submitting.");
		formname.email.focus();
		return false;
	}
	return true;
}

// -->