Kirupa xml gallary need to change xml onpress

Hi every one,

I have a very simple problem with kirupa photo gallery with xml.

i just want create some category on the gallery.

cat1.onPress = function ()
{
listXML.load.(“gall1.xml”);
}

cat2.onPress = function ()
{
listXML.load.(“gall2.xml”);

}
…etc

but with click on category my some images disable ,

have any any suggestion or hint or solution about this.

Please i am in troubling with my project.