function addToCart() {
	
	var numSelected = $('input:[name="prodcart"][checked=true]').length;
	if(numSelected == 0) {
		alert('Please select products to add to the cart');
		return false;
	}
	$('input[name="ref"]').val(document.location.toString());
	document.productsForm.submit();
	
}

function addToCartSingle(sid) {
	$('input[name="prodcart"]').val(sid);
	$('input[name="ref"]').val(document.location.toString());
	document.productsForm.submit();
	
}

function removeFromCart() {
	
	var numSelected = $('input:[name="prodcart"][checked=true]').length;
	if(numSelected == 0) {
		alert('Please select products to remove');
		return false;
	}
	
	$('input[name="ref"]').val(document.location.toString());
	$('input[name="rem"]').val('1');
	
	document.productsForm.submit();
	
}