https://www.rvrhs.com/apps/accessibility/asi_at_tts.js

1function writeAsiForAtTts(keyElementId, width, height) {
2	let keyElement = document.getElementById(keyElementId);
3	if (!keyElement) {
4		return;
5	}
6	
7	let asiForAtTts = document.createElement("iframe");
8	asiForAtTts.sandbox = "allow-scripts";
9	asiForAtTts.setAttribute("frameborder", "0");
10	asiForAtTts.setAttribute("scrolling", "no");
11	asiForAtTts.setAttribute("aria-hidden", "true");
12	asiForAtTts.setAttribute("src", "/apps/accessibility/asi_at_tts.jsp?k=" + keyElement.value);
13
14	asiForAtTts.style.setProperty("border", "0px");
15	asiForAtTts.style.setProperty("position", "absolute");
16	asiForAtTts.style.setProperty("width", width + "px");
17	asiForAtTts.style.setProperty("height", height + "px");
18	asiForAtTts.style.setProperty("vertical-align", "middle");
19	
20	this.parentNode.replaceChild(asiForAtTts, this);
21}