Error hyperlinking a animation

[Sunchild]

i have made aan animation i wanted to give the whole animation a
hyperlink so i made the movie clip of the animation n than gave applied the following script to it
movieClipInstanceName.onPress = function ()
{
getURL("http://www.domain.com/somePage.html", "_blank");
}

so now flash gives an error .........
Statement must appear within on/onClipEvent handler
wat is the problem here
i cudnt find out as im too new this action script :(

[Flash Gordon]

slap that code on the main time line not the MC

[R Fredriksson]

does that mean creating a new layer an pasting the code in that layer? If so, it didn´t work for me but I am completly new to this so I can have missed something else taht is obvous for flashers.