// function to load subsection page into target div using Scriptaculous AJAX
function loadItem(id) {
	try {
    	var targetDivId  = 'subcat';
        var url = id;
        new Ajax.Updater(targetDivId , url, { 
        	method: 'get',
            onComplete : function() {
            	new Effect.SlideDown(targetDivId, {duration: 1.5});
            }
       	});
	} catch(e) {
    	alert('error: ' + e.message + ', on url = ' + url);
        }
}