var http_requestViewPlayer = false;
var URL
function makeViewPlayer(URL, alertFunction) {
    if (window.XMLHttpRequest) { // Mozilla, Safari, ...
        http_requestViewPlayer = new XMLHttpRequest()
    } else if (window.ActiveXObject) { // IE
        try {
            http_requestViewPlayer = new ActiveXObject("Msxml2.XMLHTTP")
        } catch (e) {
            try {
                http_requestViewPlayer = new ActiveXObject("Microsoft.XMLHTTP")
            } catch (e) {}
        }
    }
    if (!http_requestViewPlayer) {
        alert('Giving up :( Cannot create an XMLHTTP instance')
        return false
    }
    http_requestViewPlayer.onreadystatechange = function() {alertFunction(http_requestViewPlayer)}
    http_requestViewPlayer.open('GET', URL, true)
    http_requestViewPlayer.send(null)
    return true
}

var alertContentsViewPlayer = function (http_local_requestViewPlayer) {
    if ( (http_local_requestViewPlayer.readyState == 4)||(http_local_requestViewPlayer.readyState=="complete") ) {
        if (http_local_requestViewPlayer.status == 200) {
    		document.getElementById('view_player').innerHTML = http_local_requestViewPlayer.responseText
        } else {
            alert('There was a problem with the request: '+URL+', '+http_local_requestViewPlayer.status)
    	}
    }
}
function addViewPlayer(video_name) {
	x = makeViewPlayer('ajax_view_player.php?video_name='+escape(video_name), alertContentsViewPlayer)
	// On return, call alertContent() to display returned value
}