function perform(divID) {
	if(document.getElementById(divID).style.position == "absolute") {
		document.getElementById(divID).style.position = "static";
		document.getElementById(divID).style.visibility = "visible";
	}
	else {
		document.getElementById(divID).style.position = "absolute";
		document.getElementById(divID).style.visibility = "hidden";
	}
}
function open_participant_details(part_id) {
	window.open("index.php?site=events/show_participant_details&part_id="+part_id+"&menu=0","","width=500,height=300,scrollbars=yes");
}
function open_move_topic(topic_id) {
	window.open("index.php?site=board/move_topic&menu=0&topic_id="+topic_id,"","width=500,height=300,scrollbars=yes");
}
function autofillin(givenname,firstname,email,street,streetno,postalcode,residence,gender,country,birthday,birthmonth,birthyear,school,_function,phoneno,mobileno,vegetarian,ga,halbtax,gleis7,below16) {
	document.getElementsByName("givenname")[0].value = givenname;
	document.getElementsByName("firstname")[0].value = firstname;
	document.getElementsByName("email")[0].value = email;
	document.getElementsByName("street")[0].value = street;
	document.getElementsByName("streetno")[0].value = streetno;
	document.getElementsByName("postalcode")[0].value = postalcode;
	document.getElementsByName("residence")[0].value = residence;
	if(birthday<10) {
		birthday = birthday-10;
		birthday = birthday+10;
	}
	if(birthmonth<10) {
		birthmonth = birthmonth-10;
		birthmonth = birthmonth+10;
	}
	document.getElementsByName("dayofbirth")[0].value = birthday;
	document.getElementsByName("monthofbirth")[0].value = birthmonth;
	document.getElementsByName("yearofbirth")[0].value = birthyear;
	document.getElementsByName("school")[0].value = school;
	document.getElementsByName("function")[0].value = _function;
	document.getElementsByName("phoneno")[0].value = phoneno;
	document.getElementsByName("mobileno")[0].value = mobileno;
	if(vegetarian == 1) {
		document.getElementsByName("vegetarian")[0].checked = true;
	}
	else {
		document.getElementsByName("vegetarian")[1].checked = true;
	}
	if(ga == 1) {
		document.getElementsByName("ga")[0].checked = true;
	}
	else {
		document.getElementsByName("ga")[0].checked = false;
	}
	if(halbtax == 1) {
		document.getElementsByName("halbtax")[0].checked = true;
	}
	else {
		document.getElementsByName("halbtax")[0].checked = false;
	}
	if(gleis7 == 1) {
		document.getElementsByName("gleis7")[0].checked = true;
	}
	else {
		document.getElementsByName("gleis7")[0].checked = false;
	}
}
function forward_board(topic_id) {
	window.location = "index.php?site=board/showtopic&topic_id="+topic_id;
}