x
<html><body><script>function light(sw) { var pic; if (sw == 0) { pic = "../images/pic_bulboff.gif" } else { pic = "../images/pic_bulbon.gif" } document.getElementById('myImage').src = pic;}</script><img id="myImage" src="../images/pic_bulboff.gif" width="100" height="180"><p><button type="button" onclick="light(1)">Включити світло</button><button type="button" onclick="light(0)">Виключити світло</button></p></body></html>