vbpz723n=xppr('pz723_0.bmp');vbpz723o=xppr('pz723_1.bmp');vbpz723c=xppr('pz723_2.bmp');var btIdPref='vb';function xppr(im){var i=new Image();i.src='swswhome-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;};