Define Popup resv Shadow Margin Relative Color Scheme 4 Define Bar 1 Of resv Prompt "Sales" KEY F3,"F3" Picture "1EARTH.GIF" Define Bar 2 Of resv Prompt "\-" Define Bar 3 Of resv Prompt "Sales Return" KEY F4,"F4" Picture "1EARTH.GIF" Define Bar 4 Of resv Prompt "\-" Define Bar 5 Of resv Prompt "Purchase" KEY F5,"F5" Picture "1EARTH.GIF" On Sele Bar 1 Of resv Do Form sal2 On Sele Bar 3 Of resv Do Form sr2 On Sele Bar 5 Of resv Do Form pur READ EVENTwhen i press F3 my form "sal2" open again and again but i want to open this form only one time and if the form already open is should not reopen, only active.