[flexcoders] set percent value to a Panel's width ?

how do i set percent values to a Panel's width and height in ActionScript? this is what I want : panelID.setActualSize(17%,100%); // this returns an error OR panelID.width = 17%// this too returns an error

[flexcoders] y-axis graph title

mx:CategoryAxis title=price / ..this is how I am setting the title of my Y-axis but the label price shows up facing in the opposite direction. How do I rotate its position and make it face the graph?

[flexcoders] keyboard event

Just like in HTML hitting Enter submits a form and hitting tab sets focus to the next form item, how do I achieve something similar in Flex?

[flexcoders] y-axis graph title

mx:CategoryAxis title=price / ..this is how I am setting the title of my Y-axis but the label price shows up facing in the opposite direction. How do I rotate its position and make it face the graph?