Use socket_select() to allow waiting on bith the IRC socket and the client

socket instead of the broken sleep(1) on input previously used.

This allows irc.js to run with MUCH lower CPU utilization.

exec/irc.js

@@ -111,6 +111,9 @@ while(!connected)  {
 }
 
 // Main loop
+socks = new Array;
+socks.push(sock);
+socks.push(client.socket);
 while(!quit)  {
 	if(!sock.is_connected || !connected)  {
 		alert("Lost connection");
@@ -126,9 +129,16 @@ while(!quit)  {
 		clean_exit();
 	}
 
-	screen.update();
+	ready=socket_select(socks, 1);
+	for(thissock in ready) {
+		if(ready[thissock]==0) {	// IRC server
 			recieve_command();
 		}
+		if(ready[thissock]==1) {	// Client
+			screen.update();
+		}
+	}
+}
 sock.close();
 clean_exit();
 
@@ -1242,12 +1252,12 @@ function Screen_update_input_line()  {
 }
 
 function Screen_update()  {
+	while(1) {
 		var key=console.inkey();
-	if(key!="")  {
+		if(key!="")
 			this.handle_key(key);
-	}
-	else {
-		sleep(1);
+		else
+			break;
 	}
 }