gastenboekLoad = function (e) {
	forms = $('gastenboek').getElementsByTagName('form');
	
	el = document.createElement('input');
	el.setAttribute('type','hidden');
	el.setAttribute('name','cmod');
	el.setAttribute('value',1);
	
	objForm = forms[0];
	objForm.appendChild(el);
}

Event.observe(window,'load',gastenboekLoad);