venere_ajax_call = function(url, method, params, callback) {
	if (method!='get' && method!='GET' && method!='post' && method!='POST') {
		method = 'GET';
	}
	
	var handle_data = {success: function(response) {callback(response.responseText);}};
	YAHOO.util.Connect.asyncRequest(method, url, handle_data, params);
};