function update_cart(id_product, plusoumoins) {

	var url =  "http://www.thepipingcentre.co.uk/wp-content/plugins/shop/php/shop-ajax.php";
	var pars = 'product_id='+id_product+'&plusoumoins='+plusoumoins;
	var myAjax = new Ajax.Updater('cart', url, {method:'get', parameters: pars});
	return false;

}

function update_cart2(id_product, plusoumoins, f) {

	var url =  "http://www.thepipingcentre.co.uk/wp-content/plugins/shop/php/shop-ajax.php";
	var pars = 'product_id='+f.id_product.value+'&plusoumoins='+plusoumoins+'&options=';

	for(var i=0; i<f['product_variations[]'].length; i++) {
		if(i!=0) {
		if(i!=1) pars += '-';
		var SelectBox = f['product_variations[]'][i];
		pars += SelectBox.options[SelectBox.selectedIndex].value;
		}
	}

	var myAjax = new Ajax.Updater('cart', url, {method:'get', parameters: pars});
	return false;
}

function update_cart3(id_product, plusoumoins, options) {

	var url =  "http://www.thepipingcentre.co.uk/wp-content/plugins/shop/php/shop-ajax.php";
	var pars = 'product_id='+id_product+'&plusoumoins='+plusoumoins+'&options='+options;
	var myAjax = new Ajax.Updater('cart', url, {method:'get', parameters: pars});
	return false;

}

function empty_cart() {

	var url =  "http://www.thepipingcentre.co.uk/wp-content/plugins/shop/php/shop-ajax.php";
	var pars = 'emptycart=true';
	var myAjax = new Ajax.Updater('cart', url, {method:'get', parameters: pars});
	return false;

}

function send_order(coords) {

	var url =  "http://www.thepipingcentre.co.uk/wp-content/plugins/shop/php/shop-ajax.php";
	var pars = Form.serialize(coords);
	var myAjax = new Ajax.Updater('orderdiv', url, {method:'post', parameters: pars});
	return false;

}

function disable_contact_details(form) {

	if(form.copy_details.checked) {
		form.contact_name.disabled=true;
		form.contact_firstname.disabled=true;
		form.contact_address.disabled=true;
		form.contact_additional_address.disabled=true;
		form.contact_postcode.disabled=true;
		form.contact_city.disabled=true;
		form.contact_country.disabled=true;
		form.contact_telephone.disabled=true;
		form.contact_email.disabled=true;
	}
	else {
		form.contact_name.disabled=false;
		form.contact_firstname.disabled=false;
		form.contact_address.disabled=false;
		form.contact_additional_address.disabled=false;
		form.contact_postcode.disabled=false;
		form.contact_city.disabled=false;
		form.contact_country.disabled=false;
		form.contact_telephone.disabled=false;
		form.contact_email.disabled=false;
	}

}