// browser sniffer:
	browserVer = parseInt(navigator.appVersion);
	if (navigator.appName == "Microsoft Internet Explorer" && browserVer < 4)
	{
		alert("Internet Explorer 3 users need to hit 'Refesh' to update the image");
	}
	//this eliminates JavaScript error messages
	onError=null
	// The variables you need to change are: the filename of the picture,
	// the refresh rate, the expected time to download and further down,
	// the FORM ACTION (look for the ***).
	var picname = "webcam.jpg";					// set this to the filename of your campicture
	var speed = 30;   								// "var speed" is the refresh rate adjustment in seconds
	var y = 10;      								// expected time to download the picture file. It  MUST be
 	                								// set at a smaller number than the "speed" variable!
	var x = speed;   								// current countdown
	var cachepic = new Image();
	function stopClock() 
	{
		x = "00";
	}
	function startClock() 
	{
        if (x != "00") 
        {
			x = x - 1;
			
  	       	if (x == y) 
  	       	{
	       		recache()
        	}
			if (x <= 0)
        	{
          		reload()
        	}
			timerID = setTimeout("startClock()", 1000);
        }
	}
	function recache() 
	{
     	var now = new Date();
     	var camImg = picname + "?" + now.getTime();
     	cachepic.src = camImg;
    }
	function reload() 
	{
 		document.images.campicture.src = cachepic.src;
    	x = speed;
    }