/* form script by harmvandeven.nl */
/* changed for the Trimbos Drinktest purposes */

function radioToggle(id,multiple) {
	
	var done = false;
	var i = 0;
	var item = id.split("_");
	var button = document.getElementById(id);
	
	if (button.style.visibility == "visible") {
		button.style.visibility = "hidden";
	} else {
		button.style.visibility = "visible";
	}
	
	var output = '-';
	while (done == false) {
		button = document.getElementById(item[0] + "_" + i);
		if (button) {
			if (i != item[1]) {
				if (multiple == 0) {
					button.style.visibility = "hidden";
				}
			}
			if (button.style.visibility != "hidden") {
				var id = document.getElementById(item[0] + "_" + i + "_id").value;
				output += id+'-';
			}
		} else {
			done = true;
		}
		i++;
	}
	var respond = document.getElementById(item[0]);
	respond.value = output;
}