vbo2d4an=xppr('o2d4a_0.gif');vbo2d4ao=xppr('o2d4a_1.gif');vbw2d4an=xppr('w2d4a_0.gif');vbw2d4ao=xppr('w2d4a_1.gif');vb42d4an=xppr('42d4a_0.gif');vb42d4ao=xppr('42d4a_1.gif');vbz2d4an=xppr('z2d4a_0.gif');vbz2d4ao=xppr('z2d4a_1.gif');vbu2d4an=xppr('u2d4a_0.gif');vbu2d4ao=xppr('u2d4a_1.gif');var btIdPref='vb';function xppr(im){var i=new Image();i.src='vistabuttons-files/bt'+im;return i;};function xpe(id){x=id.substring(0,id.length-1);if(document[btIdPref+x])document[btIdPref+x].src=eval(btIdPref+id+'.src');return false;};