function rateImage(id, rate) {
	var req = new Ajax.Request(
		RPC_URL,
		{ 	method:'get',
			parameters: 'cmd=RATE&id='+id+'&rate='+rate,
			onComplete:rateImageCallBack
		});
}

function rateImageCallBack(req) {
	alert('Thank you');
	document.location.reload();
}