function createHttpRequest(){

	if(window.ActiveXObject){
		try {
			return new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				return new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				return null;
			}
		}
	} else if(window.XMLHttpRequest){
		return new XMLHttpRequest();
	} else {
		return null;
	}

}

function requestFile( data , method , fileName , async){
	var date = new Date();
	var timestamp = date.getTime();
	var times = '?time='+timestamp;

	var httpObj = createHttpRequest();
	

	httpObj.open( method , fileName + times , async );

	httpObj.onreadystatechange = function() { 
		if (httpObj.readyState==4) { 
			on_loaded(httpObj);
		}
	}

	httpObj.send( data );
}

function on_loaded(Obj) {
	res  = Obj.responseText;
	document.getElementById('hotnews').innerHTML = res;
}


function tracker(fn) {


	var params = 'fn=' + fn;

	new Ajax.Request(
	"./download.html",
	{
		method: 'get',
		parameters: params,
		onSuccess: function(ret) {
			
		}

	}
	);
	
}