function open_image(src, w, h) {
imageview = window.open("", "imageview", "width=" + w + ",height=" + h);
imageview.moveTo(Math.round((screen.width-w)/2), Math.round((screen.height-h)/2));
imageview.document.open();
imageview.document.write('');
imageview.document.write('Kép megtekintése');
imageview.document.write('');
imageview.document.write('
');
imageview.document.close();
}
function show_hide_layer(layerid) {
if (layerid != "") {
v = document.getElementById(layerid).style.visibility;
if (v != "visible") v = "visible";
else v = "hidden";
document.getElementById(layerid).style.visibility = v;
}
}
function open_close_layer(layerid) {
d = document.getElementById(layerid).style.display;
if (d != "block") d = "block";
else d = "none";
document.getElementById(layerid).style.display = d;
}
function close_layer(layerid) {
document.getElementById(layerid).style.display = "none";
}
function open_layer(layerid) {
document.getElementById(layerid).style.display = "block";
}