var http_request = false;
	var currentPos = null;
	function send_request(url){
		http_request = false;
		if(window.XMLHttpRequest){
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType) {
				http_request.overrideMimeType('text/xml');
			}
		}
		else if (window.ActiveXObject){
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}
		if (!http_request) {
			window.alert("NOT-XMLHttpRequest-NEW.");
			return false;
		}
		http_request.onreadystatechange = processRequest;
		http_request.open("GET", url+"&t="+new Date().getTime(), true);
		http_request.send(null);
	}

    function processRequest() {
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
				document.getElementById(currentPos).innerHTML = http_request.responseText;
            } else {
                alert("Exception");
            }
        }
    }
    function onKeyDown() { 
		if ((event.keyCode==116)||(window.event.ctrlKey)||(window.event.shiftKey)||(event.keyCode==122)) { 
			event.keyCode=0; 
			event.returnValue=false; 
		} 
	}