function selectItem(item_counter) {
	var v = null;
	$('form'+item_counter).getElements('input[name=product_item_id]').each(function(el){
		if(el.checked) v = el.get('value');
	});
	if(v==null) {
		alert('Please select a size');
		return false;
	}

	var jsonRequest = new Request.JSON({url: "/ajax/get-price.php", onComplete: function(item){
    	if(item.price!=0) {
    		$('price'+item_counter).innerHTML='<b>&pound;'+item.price+'</b>';
    	}
	}}).get({'item': v});
}

function buyitem(item_counter) {
	var v = null;
	$('form'+item_counter).getElements('input[name=product_item_id]').each(function(el){
		if(el.checked) v = el.get('value');
	});
	if(v==null) {
		alert('Please select a size');
		return false;
	}
}