function HttpRequest()
{
        var request; 
		var browser = navigator.appName;
		
        if(browser == "Microsoft Internet Explorer")
        {
                request = new ActiveXObject("Microsoft.XMLHTTP");
        }
        else
        {
                request = new XMLHttpRequest();
        }
        
        return request;
}

function addPlay(id)
{
        http = HttpRequest(); 
		
        http.onreadystatechange = function() { if(http.readyState == 4) { handleResponse(id, http.responseText); } } 
        
        http.open('GET', "/../inc/playadd.php?id="+id, true);
        http.send(null);
}

function handleResponse(id, response)
{
    if(response == "added")
    {
        alert("Added to playlist");
    }
    
    else
    document.getElementById('songr_playlist'+id).innerHTML = response;        
}

function removePlay(id)
{
        http = HttpRequest(); 
		
        http.onreadystatechange = function() { if(http.readyState == 4) { handleResponse(id, http.responseText); } } 
        
        http.open('GET', "/../inc/playremove.php?id="+id, true);
        http.send(null);
}

function handleResponse(id, response)
{
    if(response == "removed")
    {
        alert("Removed from playlist");
    }
    
    else
    document.getElementById('songr_playlist'+id).innerHTML = response;        
}