function checkrechten(self,parent){
	if (self.checked == true){
		document.getElementById(parent).checked = true;
	}		
}

function checkActions(obj){
	var tr = obj.parentNode.parentNode.parentNode;
	var frm = document.formulier;
	var number = frm.elements.length;
	for (i=0; i<number; i++){
		var this_obj = frm.elements[i];
		if (obj != this_obj && tr == this_obj.parentNode.parentNode.parentNode){
			this_obj.checked = obj.checked;
		}
	}
}

function checkActions_overzicht(obj){
	if (!obj.checked){
		var tr = obj.parentNode.parentNode.parentNode;
		var frm = document.formulier;
		var number = frm.elements.length;
		for (i=0; i<number; i++){
			var this_obj = frm.elements[i];
			if (obj != this_obj && tr == this_obj.parentNode.parentNode.parentNode){
				this_obj.checked = obj.checked;
			}
		}
	}
}

function checkMenu(th,obj){
	var frm = document.formulier;
	var number = frm.elements.length;

	for (i=0; i<number; i++){
		var this_obj = frm.elements[i];
		if (document.getElementById(th) == this_obj.parentNode.parentNode.parentNode.parentNode){
			this_obj.checked = obj.checked;
		}
	}
}