function registerEvent(eventID,what,end)
{
	if(end == undefined){
		end = false;
	}
	Ext.Ajax.request({
		url: '../js/registerEvent.php',
		method: "POST",
		params: {
			eventID: eventID,
			what: what,
			end: end
		},
		success: function(Xres, opt){
			//alert(Ext.util.JSON.);
			var resObj = Ext.util.JSON.decode(Xres.responseText);
			if(resObj.success == false){
				Ext.MessageBox.alert("Error", resObj.errorMsg);
				return;
			}
		},
		scope: this			
	});
}