Calendar.setup({
    inputField     :    "txtArr",     // id of the input field
    ifFormat       :    "%d/%m/%Y",      // format of the input field
    button         :    "imgcal1",       // trigger for the calendar (button ID)
    step           :    1,               // show all years in drop-down boxes (instead of every other year as default)
    firstDay 	   :	1
});

Calendar.setup({
    inputField     :    "txtDep",     // id of the input field
    ifFormat       :    "%d/%m/%Y",      // format of the input field
    button         :    "imgcal2",       // trigger for the calendar (button ID)
    step           :    1,               // show all years in drop-down boxes (instead of every other year as default)
    firstDay 	   :	1
});