/**
 *		sendAjaxRequest()
 *
 *		Sends an AJAX request. Callback is processed through parameter ( ptrCallback ).
 **/
function sendAjaxRequest( dataString, dataType, ptrCallback )
{
	// Perform AJAX request
	$.ajax({
		type: "POST",
		url: "../../services/",
		data: dataString,
		dataType: dataType,
		beforeSend: function (XMLHttpRequest) {
		},
		success: function( response ) {
			// Perform callback, argument is response
			ptrCallback( response );
		},
		error: function (XMLHttpRequest, textStatus, errorThrown) {
			// Notify user
			alert( "Er is een fout opgetreden.\nProbeer het later nog eens." );
		}
	});
}