On click hide open button and show close button !

Hy...

Can help me anybody?

I want when i click on open button to show my menu... and display close button not again open button....

This is my code !

<plugin
name="menu2"
url="mask.png"
keep="true"
visible="true"
enabled="true"
handcursor="false"
capture="false"
zorder="1"
alpha="1.00"
blendmode="normal"
smoothing="true"
align="top"
edge="centre"
x="0" y="-50"
ox="" oy="0"
rotate="0"
width="" height=""
scale="1"
scale9grid=""
crop=""
mask=""
onloaded=""
onover=""
onhover=""
onout=""
ondown=""
onup=""
onclick=""
/>

<plugin name="button_thumbs"
url="thumbs_button3.png"
visible="true"
enabled="true"
handcursor="true"
capture="true"
children="true"
zorder="100"
alpha="0.5"
blendmode="normal"
smoothing="true"
align="centertop"
edge="center"
x="0" y="15"
ox="0" oy="0"
rotate="0"
scale="1"
width="200" height="40"
scale9grid=""
crop=""
mask=""
onloaded=""
onover=""
onhover="showtext(Open !,style10)"
onout=""
ondown=""
onup=""
onclick="action(open_map2));"
/>
<plugin name="button_thumbs2"
url="thumbs_button2.png"
visible="true"
enabled="true"
handcursor="true"
capture="true"
children="true"
zorder="100"
alpha="0.5"
blendmode="normal"
smoothing="true"
align="centertop"
edge="center"
x="0" y="15"
ox="0" oy="0"
rotate="0"
scale="1"
width="200" height="40"
scale9grid=""
crop=""
mask=""
onloaded=""
onover=""
onhover="showtext(Close!,style10)"
onout=""
ondown=""
onup=""
onclick="action(close_map2));"
/>

<action name="close_map2">
tween(plugin[menu2].oy,100,distance(700,3),linear);
tween(plugin[menu2].alpha,1,distance(1,0.5),easeoutquart);
tween(plugin[button_thumbs2].oy,100,distance(700,3),linear);
set(plugin[button_thumbs2].onhover,showtext(Close!,style10));
set(plugin[button_thumbs2].onclick,action(close_map2));
</action>

<action name="open_map2">
set(plugin[menu2].visible,true);
tween(plugin[menu2].oy,0,distance(700,3),linear);
tween(plugin[menu2].alpha,1,distance(1,0.5),easeoutquart);
tween(plugin[button_thumbs].oy,300,distance(700,3),linear);
set(plugin[button_thumbs].onhover,showtext(Open !,style10));
set(plugin[button_thumbs].onclick,action(open_map2));
</action>
</action></plugin></plugin></plugin>