function refreshCam(){ 
        rfsh = new Date() ; rfsh = "?"+rfsh.getTime() 
	document.images["livecam"].src = "http://kunstradio.at/TEMP/webcam.jpg"+rfsh 
	setTimeout("refreshCam()", document.forms[0].camrefresh.options[document.forms[0].camrefresh.selectedIndex].value) // 30secs 
}