in website/static/cdocs/search/search.js [256:265]
this.OnSelectItem = function(id)
{
this.searchIndex = id;
this.SelectItemSet(id);
var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
if (searchValue!="" && this.searchActive) // something was found -> do a search
{
this.Search();
}
}