>>972
0.01e改変しすぎ>>970参照

以下で十分なのにね

(function(){
var link=document.evaluate('id("nn")/parent::a',document,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue;
if (link && link.href.match(/\/images\?/)) {
if (link.href.match(/gbv=2/)) {
link.href=link.href.replace(/gbv=2/,'gbv=1');
}
else {
link.href+='&gbv=1';
}
}
})();