jQuery: Simple Ajax XML Request + Event Handlers

<style type="text/css" media="screen">
	.ajaxLoaderCircle{ background: transparent url("http://www.ajaxload.info") top center no-repeat; margin-top: 1em; height: 3em; }	
</style>
 
<!-- jQuery 1.3.1 Framework -->
<script type="text/javascript" charset="utf-8" src="http://jqueryjs.googlecode.com/files/jquery-1.3.min.js"></script>
 
<script type="text/javascript" charset="utf-8">
	function getXML( url ){
	    $.ajax({
	        url: url,
	        dataType: "xml",
	        encoding:"UTF-8",
	        beforeSend: xmlStart,
	        success: xmlSuccess,
	        error: xmlError,
	        complete: xmlComplete
	    });
	}
 
	function xmlStart( xhrInstance ){
	    //Clear Any Previously Written HTML
	    $( "#primary .content" ).html( "" );
	    //Show Preloader
	    $( "#primary .content" ).addClass( "ajaxLoaderCSS" );
	}
 
	function xmlError( xhrInstance, message, optional ){
	    $("#primary .content").html("<ul><li>There was an error loading the document.</li></ul>");
	}
 
	function xmlComplete( xhrInstance, status ){
	    $( "#primary .content" ).removeClass( "ajaxLoaderCSS" );
	}
 
	function xmlSuccess( data, status ){
		//Write your Parse XML Function
	    parseXML( data );
	}
 
	function parseXML( xml ){
	    // XML Tag identifying each item
	    var itemTag = "image";
	    // XML Tag giving the title
	    var titleTag = "caption";
	    // XML Tag giving the link
	    var urlTag = "uri";
	    // Var for storing the HTML to be displayed
	    var content = "<ul>";
 
	    //Parse the XML and build new <li>'s for each NODE
	    $( xml ).find( itemTag ).each(function(){
	        var title = $( this ).find( titleTag ).text();
	        var url   = $( this ).find( urlTag ).text();
	        content  += "<li><a href=\"" + url + "\">" + title + "</a></li>";
	    });
 
	    content += "</ul>";
 
	    // Populate the Tertiary div with the content
		trace( content );
	}
</script>
 
<script type="text/javascript" charset="utf-8">
$(document).ready(function(){
	getXML("http://x-y-z");
}	
</script>