hi friends please help me by explaining ,.....how to block the day in the icafe manager . i mean to ask like after customer using the system , the time when he pays the amount ,as they close the account it mentions as pay 10/20/30 or so ... there in the box i see todays date and option of changing the date ... how to block this date change ... please help me .the picture is as below .... please be kind to help me .