function quotescollection_refresh(instance, exclude, show_author, show_source)
{
    // function body defined below
	var mysack = new sack( 
       "/wp-content/plugins/quotes-collection/quotes-collection-ajax.php?refresh="+instance+"&exclude="+exclude+"&show_author="+show_author+"&show_source="+show_source );    
	mysack.execute = 1;
	
	mysack.onError = function() { document.getElementById('quotescollection_randomquote-'+instance).innerHTML = quotcoll_error; };
	mysack.onLoading = function() { document.getElementById('quotescollection_nextquote-'+instance).innerHTML = quotcoll_loading; };
	mysack.onLoaded = function() { document.getElementById('quotescollection_nextquote-'+instance).innerHTML = '<a style="cursor:pointer" onclick="quotescollection_refresh('+instance+','+exclude+','+show_author+','+show_source+');">' + quotcoll_nextquote + ' &raquo</a>'; };
//	mysack.onInteractive = function() { document.getElementById('quotescollection_nextquote-'+instance).innerHTML += '...'; };
//	mysack.onCompletion = function() { document.getElementById('quotescollection_randomquote-'+instance).innerHTML = mysack.response; };
	mysack.runAJAX();
	return true;
} // end of JavaScript function for randomquote