function AjaxUpdate(filename,params,container)
{
		var url = PH_REQUEST + filename;
		new Ajax.Request(
			url, 
			{
				method: 'get', 
				parameters: params, 
				
				on500: function() {
					var e = document.getElementById(container);
					e.innerHTML = 'attendi';
				},
				
				on200: function(transport) {
					var e = document.getElementById(container);
					e.innerHTML = transport.responseText;
				}
			
			});	
}