<input type="text" class = "datepicker" name = "StartDate" id="StartDate" placeholder = "Start Date<input type="text" class = "datepicker" name = "EndDate" id="EndDate" placeholder = "End Dat
function hoeveelhoeveel($beginstamp, $endstamp, $id) $dates = mysql_query('SELECT v_date FROM visitors WHERE id="'.AND v_date<"'.$endstamp.'" AND v_date>"'..'"');