function create_ajax() {
	var ajax_obj=false;

	if (window.XMLHttpRequest) {
		try {
			ajax_obj=new XMLHttpRequest();
		} catch(e) {
			ajax_obj=false;
		}
	} else if (window.ActiveXObject) {
		try {
			ajax_obj=new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				ajax_obj=new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {
				ajax_obj=false;
			}
		}
	}

	return ajax_obj;
}

function send_ajax_message(url, div_id, override) {	
	var xml_http_obj=create_ajax(); 
	
	if (override=="wait") {
		document.getElementById(div_id).innerHTML="<center>Loading, please wait...<br><img src='/images/wait.gif' /></center>";
	}

	xml_http_obj.open("GET", url, true);
	xml_http_obj.onreadystatechange=function() {
		if (xml_http_obj.readyState==4) {
			if (xml_http_obj.status==200) {
				document.getElementById(div_id).innerHTML=xml_http_obj.responseText;
			} else {
				document.getElementById(div_id).innerHTML=xml_http_obj.statusText;
			}
		}
	}
	xml_http_obj.send("");
}

function send_ajax_preview(tid, sp) {	
	var xml_http_obj=create_ajax(); 
	
	document.getElementById("switch_player_movie").innerHTML="<center>Loading, please wait...<br><img src='/images/wait.gif' /></center>";

	xml_http_obj.open("GET", "index.php?a=ajax_player&tid="+tid+"&sp="+sp, true);
	xml_http_obj.onreadystatechange=function() {
		if (xml_http_obj.readyState==4) {
			if (xml_http_obj.status==200) {
				document.getElementById("switch_player_movie").innerHTML=xml_http_obj.responseText;
			} else {
				document.getElementById("switch_player_movie").innerHTML=xml_http_obj.statusText;
			}
		}
	}
	xml_http_obj.send("");
}