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(call_sys){
	var httpoj = createHttpRequest()
	var gecko=IsGecko();

	if(gecko)call_sys=call_sys+'&gecko='+gecko;

	httpoj.open( 'GET' , call_sys , true )
	httpoj.onreadystatechange = function(){ 
		if (httpoj.readyState==4){ 
			on_loaded(httpoj)
		}
	}
	httpoj.send( '' )
}
function on_loaded(oj){
	res  = oj.responseText;
	document.getElementById('disp_space').innerHTML=res;
}