var dp, ip, ds;

function togglerow(r) {
	x = document.getElementById("row_" + r);
	y = x.style.display;
	x.style.display = y?"":"none";
	if (document.getElementById("arrow_" + r) != null) document.getElementById("arrow_" + r).innerHTML = y?"ˇ":"›";
}

function togglerows(r1, r2) {
	togglerow(r1);
	x = document.getElementById("row_" + r2);
	y = x.style.display;
	x.style.display = y?"":"none";
}

function loadpopup() {
	dp = document.getElementById("divpopup");
	ip = document.getElementById("imgpopup");
	ds = dp.style;
}

function openpopup(imgid) {
	srcStr = "/images/" + imgid + ".jpg";
	img = document.getElementById(imgid);
	tmpimg = new Image();
	tmpimg.src = srcStr;
	ip.src = srcStr;
	ds.width = tmpimg.width;
	ds.height = tmpimg.height;
	ds.display = "";
}

function closepopup() {
	dp.style.display = "none";
}