Avoid warnings on chome.

This commit is contained in:
Edward Betts 2018-12-06 19:47:20 +00:00
parent 1cf4276081
commit ed8cd63d1b

View file

@ -234,6 +234,10 @@ function hover_link_bridge(element, hover) {
var num = get_end_number(element.id); var num = get_end_number(element.id);
var bridge = document.getElementById('linkbridge' + num); var bridge = document.getElementById('linkbridge' + num);
if (bridge === null) {
return;
}
bridge.setAttribute("class", hover ? 'hoverlinkbridge' : 'linkbridge'); bridge.setAttribute("class", hover ? 'hoverlinkbridge' : 'linkbridge');
var cls = 'hoverlink'; var cls = 'hoverlink';