var difflive = 'arctic-diff'

var diffid = new Array();
window.addEvent('domready',function(){
        
        diffid['arctic-diff']       = new Fx.Morph('arctic-diff');
        diffid['antarctic-diff']    = new Fx.Morph('antarctic-diff');
        diffid['sim-diff']          = new Fx.Morph('sim-diff');
        diffid['differs-diff']      = new Fx.Morph('differs-diff');
        diffid[difflive].start('display','block');
        $('arctic-diff').setStyle('display','block')

})

function showDiff(box){
    var parts = box.id.split("-");
    var real = parts[1]+"-diff";
    $(difflive).setStyle('display','none');
    $(real).setStyle('display','block');
    difflive = real;
}