--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/site.js	Tue Jul 08 14:18:25 2025 -0600
@@ -0,0 +1,59 @@
+'use strict';
+
+function ajax(url,postData) {
+	let request = new XMLHttpRequest();
+	let method = postData ? "POST" : "GET";
+	request.open( method, url );
+	if( typeof(postData)==='string' )
+		request.setRequestHeader( "Content-Type", "application/x-www-form-urlencoded" );
+	request.onload = function() {
+		if( request.status !== 200 ) {
+			let err = 'sr_ajax failed: ' + request.status;
+			if( request.responseText ) {
+				err += '\n' + request.responseText;
+				document.write('<pre>'+request.responseText+'</pre>');
+			}
+			err += '\npage = ' + window.location;
+			ajax( '/error_log.js', 'err='+encodeURIComponent(err) );
+			return;
+		}
+		try {
+			//console.log(request.responseText);
+			eval( request.responseText );
+		} catch(e) {
+			window.sr_err = '\najax-url = ' + url;
+			//window.sr_err += '\n'+('ajax-response =\n' + request.responseText).trim();
+			throw e;
+		}
+	};
+	request.send(postData);
+}
+
+function showWaitingAiIcon() {
+	document.querySelector('[waiting-ai-icon]').style.display = 'block';
+}
+
+const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
+
+function textareaKey(aiKey,event) {
+	if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
+		event.preventDefault();
+		askAi(aiKey);
+	}
+}
+
+function fixTextarea(event) {
+	let textarea = event.target;
+	textarea.style.height = 'initial';
+	textarea.style.height = (textarea.scrollHeight+2) + 'px';
+	textarea.scrollIntoViewIfNeeded(false);
+}
+
+function askAi(aiKey) {
+	let aiDiv = document.querySelector(`[ai_container="${aiKey}"]`);
+	let input = aiDiv.querySelector('textarea');
+	let url = `ai_ask.js?key=${aiKey}&input=${encodeURIComponent(input.value)}`;
+	ajax(url);
+	input.value = '';
+	showWaitingAiIcon();
+}