window.addEvent('domready', function() {  
	$('show').addEvent('change', function() {
		//alert(this.value);									  
		window.location = "?category="+this.value;
	});
	
	$$('.submit').each(function(el) {
		el.addEvent('click', function() {
			this.getParent('form').submit();
			return false;
		});
	});
});