[galaxy-dev] Regarding saving the file

Hi All, <a href="${h.url_for( controller='dataset', action='display', dataset_id=dataset_id, to_ext=data.ext )}" title="Save" class="icon-button disk tooltip"></a> Can u tell me how it works?.when u click on save button, it will save a file as output file name appended with extension example Galaxy122-[fasta-compute-sequence-length].fasta . i want to remove the first word "Galaxy". how it's possible ? Regards shashi shekhar