// Element on the page that we'll write data to
var div = document.getElementById('tableData');

function successHandler(o){
	// Write the XHTML data back to the screen
	div.innerHTML = o.responseText;
}

function failureHandler(o){
	// Can be used to display some sort of error 
	// message to the user.
	div.innerHTML = o.status + " " + o.statusText;
}

function getData(sortCol,sortDir){
	// Format the url used to grab our data
	var sUrl = encodeURI('?mode=ajax&sortCol=' + sortCol + '&sortDir=' + sortDir);
	
	// Initiate the HTTP GET request.
	var request = YAHOO.util.Connect.asyncRequest('GET', sUrl, { success:successHandler, failure:failureHandler });
}