function searchRefleshSelect(sel, url, default_opt, default_val)
{
	var txt = '';
	disSelect(sel, default_opt, default_val);
	getDataHttp(url,
		function(xmlhttp)
		{
			if (xmlhttp.responseText.length == 0) { return; }
			//sel.innerHTML += xmlhttp.responseText;alert(sel.innerHTML);
			var lst = xmlhttp.responseText.split("\n");
			var buf;
			var start = sel.options.length;
			for (var i=0; i<lst.length; i++) {
				buf = lst[i].split(",");
				if (buf.length < 2) { continue; }
				//sel.options[start + 1] = new Option(buf[1], buf[0]);
				sel.options[start + i] = new Option(buf[1], buf[0]);
			}
			sel.disabled = null;
		},
		function(xmlhttp)
		{
			//sel.disabled = null;
		}
	);
}
function disSelect(sel, default_opt, default_val)
{
	sel.disabled = "disabled";
	sel.innerHTML = "";
	if (default_opt && default_opt.length > 0) {
		sel.options[0] = new Option(default_opt, default_val);
		//txt = '<option value="'+default_val+'">'+default_opt+'</option>';
	}
}