Initial Balance simple indicator needed

Hello,

I'm looking for an indicator that can give me the High, the low of a given period, like the first x bars of the current day.

I need to have this inputs:

// Range of analysis:

Start Time

End Time

End of Lines : the indicator change/reset every day or at a give time (like end of a session)

Also I just to need to have the values (high of the initial Balance of the current day, same the low) in buffers continuously for EA purpor.

Graphicly I need an object (fill rectangle to show the period analysed) and 2 lines draw, 1 for high of the analysed period, 1 for the low of the analysed period.

IMPORTANT THIS INDICATOR GIVE THE DATA OF THE CURRENT DAY, NOT THE PAST ONE.