Timed input, and input array on a certain line in 4gl.

Hi folks, Does anybody know how to do you do the following in 4gl? 1. Do an input/input array statement and if the user hasen't typed anything within a certain length of time return control to the program. This would be usefull when you want to display information as it is updated in the database and still accept user input? (tbmonitor profile screen could use this feature). We could of course drop into C/C++ and do setjump/sigalarm/longjump. But that would be ugly and I'm not sure what the effect will be on the global variables that 4GL uses to keep track of its local state. 2. Do an input array and start at a specific row of the array rather than the beginning and have all the keys for moving and scrolling still work the way they're spozed to? thanks in advance, dror