function createRequestObject() {
    var tmpXmlHttpObject;
    if (window.XMLHttpRequest) { 
        tmpXmlHttpObject = new XMLHttpRequest();
    } else if (window.ActiveXObject) { 
        tmpXmlHttpObject = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return tmpXmlHttpObject;
}

var http = createRequestObject();

function getSearchTerms() {
	var searchTerm = document.getElementById('searchTerm').value;
	if(searchTerm.length > 2){
	    http.open('get', 'http://www.tweetflix.com/searchcomplete.htm?searchTerm=' + searchTerm);
	    http.onreadystatechange = processSearchTerms;
	    http.send(null);
    }else{
    	document.getElementById('searchcomplete').innerHTML = '';
    }
}

function processSearchTerms() {
    if(http.readyState == 4){
        var response = http.responseText;
        document.getElementById('searchcomplete').innerHTML = response;
    }
}

function optionClicked(productName, productURL){
	document.getElementById('searchTerm').value = productName;
	document.getElementById('searchcomplete').innerHTML = '';
	document.location = productURL;
}