Select all option While PO matching

Hi,

In AP while generating the invoices from PO matching user has to select one by one a single line from PO distribution. For example invoice number ‘Abc001_2013’ is generated through PO matching. The PO # 123 is charged to 100 distribution lines. When an AP accountant uses the PO match option, System shows 100 lines. Then user is putting the check one by one on each line to select the lines. This process is very tedious and time killing. Most of the time the line PO qty, amount is matching with invoice and there is no variance. So the user