function newsletter_email() {

	jQuery("#email_req").removeClass("hidden");
	
	jQuery("#add1_req").addClass("hidden");
	jQuery("#postcode_req").addClass("hidden");

}

function newsletter_mail() {

	jQuery("#email_req").addClass("hidden");
	
	jQuery("#add1_req").removeClass("hidden");
	jQuery("#postcode_req").removeClass("hidden");

}

function setup_newsletter() {

	var rad_email = document.getElementById("rad_email");
	var rad_mail = document.getElementById("rad_mail");

	if (rad_email.checked) {
		newsletter_email();
	} else  {
		newsletter_mail();
	}

}

function setup_gal() {

	var conts = getElementsByClassName('img_container');
	
	for (var i=0; i<conts.length; i++) {

		var cont = conts[i];
		
		var imgs = cont.getElementsByTagName('img');
		
		var over = imgs[0];
		var img = imgs[1];
		
		//alert(img.offsetHeight);
		//alert(over.offsetHeight);
		
		over.height = img.offsetHeight;

	}


}



var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

jQuery(document).ready(function(){

	jQuery("#main table.generated").each(function(i) {
		table = jQuery(this);
		table.find("tr:odd").each(function(i, child) {
			jQuery(child).addClass("odd");
		});
		table.find("tr:even").each(function(i, child) {
			jQuery(child).addClass("even");
		});
	});
	
	// Stretch the nav menu down to the bottom
	
	var height = jQuery("#content").height();
	
	jQuery("ul.level_1").height(height+30);
	var height = jQuery("ul.level_1").height();

	// Start any banner slideshows
	
	jQuery("#banner_slideshow").cycle({
		fx: 'fade',
		speed: 1000,
		timeout: 10000,
		delay: -6500
	});
		

});