function tipscollection_refresh(current_tip_id)
{
    // function body defined below
	var mysack = new sack( 
       "/wp-content/plugins/tips-collection/tips-collection-ajax.php?refresh&current_tip_id=" + current_tip_id );    
	mysack.execute = 1;
	mysack.onError = function() { document.getElementById('tipscollection_randomtip').innerHTML = 'Error getting tip'; };
	mysack.onLoading = function() { document.getElementById('tipscollection_nexttip').innerHTML = 'Loading...'; };
	mysack.onLoaded = function() { document.getElementById('tipscollection_nexttip').innerHTML = '<a style="cursor:pointer" onclick="tipscollection_refresh();">Next tip »</a>'; };
//	mysack.onInteractive = function() { document.getElementById('tipscollection_nexttip').innerHTML += '...'; };
//	mysack.onCompletion = function() { document.getElementById('tipscollection_randomtip').innerHTML = mysack.response; };
	mysack.runAJAX();
	return true;
} // end of JavaScript function for randomtip