function listdownload()
{
	YUI({combine: true, timeout: 1000}).use("io-base",function(Y){
			var uri="FitnessPageService.php?Action=DOWNLIST";
			var d = document.getElementById("download_area");
			
			var gH={
					start: function(id,args){ d.innerHTML="讀取中......"; }
			}
			
			var tH={
					success: function(id, o, args) { d.innerHTML=o.responseText;},
					failure: function(id, o, args) { d.innerHTML="忙碌中...請稍候再試";}
				}
				
			Y.on('io:start', gH.start, gH);
			var cfg = {
				on: {
					success: tH.success,
					failure: tH.failure
				},
				context: tH
			};
			
			var request = Y.io(uri,cfg);
	});
}