function do_key(e)
{
	if(13 == e.keyCode)
	{
		//hit enter
		do_search();
	}
}


function do_search()
{
	var query = {};
	query['search_string'] = document.getElementById('search_string_id').value;
	document.getElementById('search_string_id').value = '';
	var send_url = 'search_tr.php';
    var req = new Subsys_JsHttpRequest_Js();
    
    req.onreadystatechange = function()
    {
        if (req.readyState == 4)
        {
        	document.getElementById('search_result_id').innerHTML = req.responseJS.text_to_append +document.getElementById('search_result_id').innerHTML;
        }
    }
    req.caching = false;
	req.open('GET', send_url, true);
	req.send(query);
}