// image_status(image_name string, image_activ boolean)
// wechselt den status von aktiv auf inaktiv und umgekehrt
// die verwendeten bildnamen im dokument müssen gleich heissen
// wie die unter _buttons/ gespeicherten bilder mit der erweiterung _activ, resp. _inactiv

// preload function-images
var img_ending = ".gif";
var img_namearr = new Array("fnchklist","fncomment","fnhome","fnnote","fnprint","fnlogin","fnmail");
var img_arr_activ = new Array();
var img_arr_inactiv = new Array();
for (img in img_namearr) {
	image_name = img_namearr[img];
	img_arr_activ[image_name] = new Image;
	img_arr_activ[image_name].src = "_buttons/" + image_name + "_activ" + img_ending;
	img_arr_inactiv[image_name] = new Image;
	img_arr_inactiv[image_name].src = "_buttons/" + image_name + "_inactiv" + img_ending;
}

// define function to change status
function image_status(image_name,image_activ) {
	if (image_activ) {
		document.images[image_name].src = img_arr_activ[image_name].src;
	}
	else {
		document.images[image_name].src = img_arr_inactiv[image_name].src;
	}
}