+ if (IDprev != -1 )
+ {
+ s = webbase;
+ if(T!="")
+ s = s + '/tag/' + T;
+ s = s + '/pic/' + IDprev;
+ d3.select(".left").on("click", function(d) { document.location.href=s })
+ }
+ if (IDnext != -1 )
+ {
+ s = webbase;
+ if(T!="")
+ s = s + '/tag/' + T;
+ s = s + '/pic/' + IDnext;
+ d3.select(".right").on("click", function(d) { document.location.href=s })
+ }