function addProduct(element, dropon, event) {
	sendData(element.id);
}
function sendData (prod) {
	var url    = '999cart.php';
	var pars   = 'action=add&products_id=' + prod;
	var myAjax = new Ajax.Request( url, {method: 'get', parameters: pars, onComplete: showResponse} );
}
function deleteProd (prod) {
	var url    = '999cart.php';
	var pars   = 'action=delete&products_id=' + prod;
	var myAjax = new Ajax.Request( url, {method: 'get', parameters: pars, onComplete: showResponse} );
}
function moveProdLeft (prod) {
	var url    = '999cart.php';
	var pars   = 'action=left&products_id=' + prod;
	var myAjax = new Ajax.Request( url, {method: 'get', parameters: pars, onComplete: showResponse} );
}
function moveProdRight (prod) {
	var url    = '999cart.php';
	var pars   = 'action=right&products_id=' + prod;
	var myAjax = new Ajax.Request( url, {method: 'get', parameters: pars, onComplete: showResponse} );
}
function showResponse (originalRequest) {
	$('reservations').innerHTML = originalRequest.responseText;
}