Next frame problem

1

in my Screen having 15 movie clips if i press that movie clip it will disable after press my all movie clip it will goto nextframe how to navigate key1.onPress = function()
key1.onPress = function()
{
key1.gotoAndPlay(2)
}
key2.onPress = function()
{
key2.gotoAndPlay(2)
}
key3.onPress = function()
{
key3.gotoAndPlay(2)
}
key4.onPress = function()
{
key4.gotoAndPlay(2)
}
key5.onPress = function()
{
key5.gotoAndPlay(2)
}
key6.onPress = function()
{
key6.gotoAndPlay(2)
}
key7.onPress = function()
{
key7.gotoAndPlay(2)
}
key8.onPress = function()
{
key8.gotoAndPlay(2)
}
key9.onPress = function()
{
key9.gotoAndPlay(2)
}
key10.onPress = function()
{
key10.gotoAndPlay(2)
}
key11.onPress = function()
{
key11.gotoAndPlay(2)
}
key12.onPress = function()
{
key12.gotoAndPlay(2)
}