function renew_pic()
{
	var pic = document.images['StudioPic'];
	var url = "http://www.rasa.ch/studio/studio.jpg";
	
	var the_pic = new Image();
	
	the_pic.src = url;
	
	pic.src = the_pic.src;
	
	window.setTimeout("renew_pic()", 300000);
}