iLnes,
Вариант добавления скрипта скриптом ...
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<script type="text/javascript">
document.addEventListener("DOMContentLoaded", function(){
add_script("var b = document.getElementById('go');b.addEventListener('click' , function(){alert(12345)})");
});
function add_script(txt) {
var newScript = document.createElement("script");
newScript.type = "text/javascript";
newScript.text = txt;
document.getElementsByTagName('head')[0].appendChild(newScript);
}
</script>
</head>
<body>
<input id="go" name="" type="button" value="test" >
</body>
</html>
