function queryChanged(event)
{
	if(!event)
		var event = window.event;
	var value = this.value;
	//13 - ENTER, 8 - BACKSPACE
	if(!(event.keyCode == 13) && (value.length > 2 || event.keyCode == 8))
		makeRequest(value);
}

function closeBox()
{
	document.getElementById("mini-results").style.display = "none";
	return false;
}

function makeRequest(words)
{
	if(httpRequest != null)
		httpRequest.abort();
	var type = "and";
	var host = "";
	var url = host + "/search_xml.php?method=" + type + "&words=" + words;
	httpRequest = new XMLHttpRequest();
	httpRequest.onreadystatechange = function()
	{
		if(httpRequest.readyState == 4 && httpRequest.status == 200) {
			var mini_node = document.getElementById('mini-results');
			var root = httpRequest.responseXML.getElementsByTagName('items')[0];
			var total = root.getAttribute("total");
			mini_node.style.display = "block";
			var data = document.getElementById("data");
			if(root.firstChild != null) {
				data.innerHTML = "";
				var items = root.getElementsByTagName('item');
				for(var i = 0; i < 5; i++) {
					var link = items[i].getElementsByTagName('url')[0].firstChild.data;
					var body = items[i].getElementsByTagName('body')[0].firstChild.data;
					var title = items[i].getElementsByTagName('title')[0].firstChild.data;
					var date = items[i].getElementsByTagName('date')[0].firstChild.data;
					data.innerHTML += "<strong><a href=\"" + link + "\">" + title + "</a></strong>\n<div style=\"padding-left:25px;margin-bottom:10px;\">" + body + "</div>\n";
				}
				if(total > 5) {
					var queryText = 'View more';
					data.innerHTML += "<a href=\"search_result.php?method=" + type + "&words=" + words + "\">" + queryText + "...</a>";
				}
			}
			else
				data.innerHTML = 'No results.';
		}
	}
	httpRequest.open("GET", url, true);
	httpRequest.send('');
}