var reqtarget;

function bogyo()
{
	document.getElementById(reqtarget).innerHTML='<img src="image/preloader.gif">';
}

function ajaxquery(url,target)
{
	var timer;
	
	cb=function(data)
	{
		clearTimeout(timer);
		document.getElementById(target).innerHTML=data;
	}
	reqtarget=target;
	timer=setTimeout(bogyo,800);
	$.get(url+"&dummy="+Math.random(), {},cb);
}