In the function svy_mod_showFormInDialog the parameter _resizable should be optional, bud it is not in the function.
/**
* @param {Form} _form
* @param {Number} [_Xwindow]
* @param {Number} [_Ywindow]
* @param {Number} [_Wwindow]
* @param {Number} [_Hwindow]
* @param {String} [_dialogTitle]
* @param {Boolean} [_resizable]
* @param {Boolean} [_showTextToolbar]
* @param {String} [_dialogName] Non modal dialogs should have a name
* @param {Boolean} [_modal] default is true
* @author Sanneke Aleman
* @since 09 mei 2011
* @
* @properties={typeid:24,uuid:"9327D73D-58C5-4BAF-A410-D98236BF0884"}
*/
function svy_mod_showFormInDialog(_form, _Xwindow, _Ywindow, _Wwindow, _Hwindow, _dialogTitle, _resizable, _showTextToolbar, _dialogName, _modal)