setInterval(function() {
var image = new Image();
image.src = 'http://camera1.lc/onvif/snapshot?img'+Math.random(0,100);
image.onload = function() {
var img_tag = '<img src="'+this.src+'" width="673" height="505" />';
document.getElementById('img_reload').innerHTML = img_tag;
}
}, 2000);