vboqkomn=xppr('oqkom_0.gif');vboqkomo=xppr('oqkom_1.gif');vboqkomc=xppr('oqkom_2.gif');var btIdPref='vb';function xppr(im){var i=new Image();i.src='shoppingcart-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;};