var first_reload = 10
    var reload_time = 10 ;
    var x = first_reload;
    var y = 1;
    var now;
    var result = "" ;
  
	function makeRequest(url, parameters, isAsync){
		if (window.XMLHttpRequest) { // Mozilla, Safari,...
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType){
				http_request.overrideMimeType('text/xml');
			}
		}else 
		if (window.ActiveXObject) { // IE
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}
		
		if (!http_request) {
			alert('Cannot create XMLHTTP instance');
			return false;
		}
		if (isAsync){
		    http_request.onreadystatechange = alertContents;	
		}
		http_request.open('GET', url + parameters, isAsync);
		http_request.send(null);
		if (!isAsync){
			result = http_request.responseText;
		}
	}
	function alertContents() {
		if (http_request.readyState == 4) {
			if (http_request.status == 200) {
				//alert(http_request.responseText);
				result = http_request.responseText;
			} else {
				//alert('There was a problem with the request.'+http_request.status);
				result = 'There was a problem with the request.'+http_request.status ;
			}
		}
	}

    function startClock() {
	     x = x-y;
	     clock = ap_getObj("clock");
	     if (clock!=null){
		     document.camform.clock.value = x;
		     if (x <= 0) reload();
		     timerID = setTimeout("startClock()", 1000);
		 }
    }
  
    function reload_ajax() {
     //reload_time=500 ;
     now = new Date();
     makeRequest("webcam.php?"+ now.getTime(),"",false) ;
	 if (result!=""){
     	var camImg = result ;//+ "?" + now.getTime();
     	//alert (camImg) ;
     	document.campicture.src = camImg;
     	document.campicture.title = "webcam:"+camImg;
        filespan=ap_getObj("filename") ;
     	filespan.innerHTML = result ;
     	
     	//onlinespan=ap_getObj("online") ;
     	//onlinespan.innerHTML = '<script src="http://www.blueboard.cz/omonitor.php?id=92626"  type="text/javascript" >' ;
     }
     x = reload_time;
     document.camform.clock.value = x;
    }
    
    function reload() {
     	now = new Date();
     	var filename = "ftp/rohan_cam_241.jpg" ;
    	var camImg = filename + "?" + now.getTime();
     	//alert (camImg) ;
     	document.campicture.src = camImg;
     	document.campicture.title = "JS Rohan Zdice - Webkamera na kone";
        filespan=ap_getObj("filename") ;
     	filespan.innerHTML = result ;
     	x = reload_time;
     	document.camform.clock.value = x;
    }