newImage = new Image();

function loadNewImage(){
uniq = new Date();
uniq = uniq.getTime();
document.images.imagename.src=newImage.src;
newImage.src="http://powermaster.dyndns.org:91/cam_1.jpg?"+uniq;
}

function initialImage(){
uniq = new Date();
uniq = uniq.getTime();
newImage.onload=loadNewImage;
newImage.src="http://powermaster.dyndns.org:91/cam_1.jpg?"+uniq;
}

function imageError()
{
image = document.images.imagename;
image.onload = "/offline.jpg";
image.onerror = "/offline.jpg";
startstop.disabled = true;
document.images.imagename.src = "http://powermaster.dyndns.org:91/cam_1.jpg";
}