Thanks for your help. Now I know how to set the image format and folder. My code <SCRIPT language=JScript> function doGo(targetURL) { var options = new Array(":input-repeat=1"); document.vlc.addTarget(targetURL, options, 4+8, -666); }; doGo(http://127.0.0.1/aaa.wmv'); </SCRIPT> <input type...