https://www.van.org/pcgi-bin/toggle.js

1function toggle(obj,objClass) {
2	var el = document.getElementById(obj);
3		if ( el.checked == false ) {
4		changecss(objClass,'display','none');
5		
6	}
7	else {
8		changecss(objClass,'display','block');
9		
10	}
11}

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.