//mapdis.js function ffenest_newydd(URL_newydd,enw_newydd,rhestr_newydd,prif_ffenest) { var ffenest2 = open (URL_newydd,enw_newydd,rhestr_newydd); if (ffenest2.opener == null) ffenest2.opener = window; ffenest2.opener.name = prif_ffenest; return ffenest2; } function agor_ffenest() { ffenest_extra = ffenest_newydd("","ffenest_extra","toolbar=0,scrollbars=1,height=400,width=600","prif") } function dangos(enw_map,mapx,mapy) { x_URL = enw_map + ".gif" mapx1 = mapx - 8; mapy1 = mapy - 8; agor_ffenest(); ffenest_extra.document.open(); ffenest_extra.document.write( "" ) NS4 = (document.layers) ? 1 : 0 IE4 = (document.all) ? 1 : 0 zindex = " " if (NS4) {mapx1 = mapx1 + "px"; mapy1 = mapy1 + "px"; zindex = "; z-index:1; visibility:show"; ffenest_extra.document.write( "