Returning SCRIPT With AJAX Approach (InnerHtml Not Enough)

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Our MP3 Player SCRIPT code that needs to be parsed and executed, the SQL result sets are generated by the ASP script that is called by the AJAX events.  (MP3 Player is a third party widget from dmxzone.com).
 
                            <SPAN ID="dv_flashMP3Player1"></SPAN>
                  <SCRIPT TYPE="TEXT/JAVASCRIPT">
 var flashMP3Player1 = new dmxMP3Player("micro", "fl_flashMP3Player1", "125", "16");
	flashMP3Player1.setScriptLibrary("/ScriptLibrary");
	flashMP3Player1.addVariable("mp3s", "<%=(ap_doc__selected.Fields.Item("doc_url_image_2").Value)%>");
	flashMP3Player1.addVariable("playerColor", "0x<%=(ap_bizamajig__meta_data__cache.Fields.Item("meta_data__ia_layout_public_article_accent_color__0x").Value)%>");
	flashMP3Player1.addVariable("startPlaying", "true");
	flashMP3Player1.addVariable("startVolume", "75");
 
     flashMP3Player1.write("dv_flashMP3Player1");
                  </SCRIPT>
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Our AJAX functions are here:
 
function processArticleCategoryReview(url,callback) {
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
	try {
		req.open("GET", url, true);
		req.onreadystatechange = function() {
// only if req shows "loaded"
			if (req.readyState == 4) {
// only if "OK"
				if (req.status == 200) {
					var temp = new Array();
					temp.push(req.responseText);
					callback.apply(callback,temp);
				} else {
					alert("There is a problem connecting to the internet: \n" + req.statusText);
				}
			}
		};
	req.send(null);
	} catch(e) {
		alert(e.message);
	}
}
function setDocSectionArticleReview(url,id) {
	var callback = function(result) {
	document.getElementById(id).innerHTML = result;
	}
	processArticleCategoryReview(url, callback);
}