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function find(what, current) {
var ret;
if (!current) {
current = window.top;
}
for (var i=0; i < current.frames.length;i++) {
if (current.frames[i].name == what){
return current.frames[i];
}
ret = find(what,current.frames[i]);
if (ret) {
return ret;
}
}
return null;
}
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