function zoom(myfile)
{			
	params = "width=50,height=50,resizable=1,status=0,scrollbars=1,toolbar=0,location=0,directories=0,menubar=0";
	newwin = window.open( "zoom.htm?"+myfile, "zoomfenster" , params);
	if(newwin.focus) newwin.focus();
	
	return false;
}