function change_group_mode(groupname,mode){if(mode!='view'&&mode!='edit'&&mode!='admin')
mode='view';var date=new Date();date.setTime(date.getTime()+(30*24*60*60*1000));document.cookie="group_mode="+mode+"; expires="+date.toGMTString();+"; path=/"+groupname;history.go(0);}