[[o_detached_play_btncell]accessibilitySetOverrideValue:_NS("Click to play or pause the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[o_bwd_btnsetToolTip:_NS("Backward")];
[[o_bwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the previous playlist item. Hold pressed to skip backwards through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_bwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the previous playlist item. Hold to skip backward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_detached_bwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the previous playlist item. Hold pressed to skip backwards through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_detached_bwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the previous playlist item. Hold to skip backward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[o_fwd_btnsetToolTip:_NS("Forward")];
[[o_fwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the next playlist item. Hold pressed to skip forwards through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_fwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the next playlist item. Hold to skip forward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_detached_fwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the next playlist item. Hold pressed to skip forwards through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_detached_fwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the next playlist item. Hold to skip forward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[o_stop_btnsetToolTip:_NS("Stop")];
[[o_stop_btncell]accessibilitySetOverrideValue:_NS("Click to stop playback.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_next_btncell]accessibilitySetOverrideValue:_NS("Click to go to the next playlist item.")forAttribute:NSAccessibilityDescriptionAttribute];
[o_next_btnsetEnabled:b_enabled];
/* change the accessibility help for the backward/forward buttons accordingly */
[[o_bwd_btncell]accessibilitySetOverrideValue:_NS("Click and hold to skip backward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_fwd_btncell]accessibilitySetOverrideValue:_NS("Click and hold to skip forward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
/* change the accessibility help for the backward/forward buttons accordingly */
[[o_bwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the previous playlist item. Hold to skip backward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];
[[o_fwd_btncell]accessibilitySetOverrideValue:_NS("Click to go to the next playlist item. Hold to skip forward through the current media.")forAttribute:NSAccessibilityDescriptionAttribute];