/* Usage: inserts an iframe into a div with id "mapdiv", in conjunction with Template:MapFrame           for embeddable dynamic maps. Relies on HTML5 data parameters.  */                      function insertIFrame() {     var exhtml = '//tools.wmflabs.org/wikivoyage/w/poimap2.php?';     var map = $('#mapdiv');     if ( map.length ) {         validateMap(map);         var exsrc = exhtml+'lat='+map.data("lat")+'&lon='+map.data("long")             +'&zoom='+map.data("zoom")+'&layer='+map.data("layer")+'&lang='+mw.config.get('wgContentLanguage')+'&name='+mw.config.get('wgPageName');           var ifstr = '<iframe src="'+exsrc+'" width="'+map.data("width")+'" height="'+map.data("height")             +'" style="border:0"></iframe>';         map.html(ifstr);         if ( map.data("layer").indexOf('M') < 0 ) {             $('.vcard a').attr('href', function () { return this.href.replace('layer=M','layer='+map.data("layer")[0]) });         }     } }  function validateMap(map) {     if (!$.isNumeric(map.data("lat"))) map.data("lat", 51.47766);     if (!$.isNumeric(map.data("long"))) map.data("long", -0.00115);     if (!$.isNumeric(map.data("zoom")) && map.data("zoom") != 'auto') map.data("zoom", 14);     if (!$.isNumeric(map.data("height"))) map.data("height", 420);     if (!$.isNumeric(map.data("width"))) map.data("width", 420);     if (map.data("layer").length > 8) map.data("layer", 'M'); }  jQuery(document).ready(insertIFrame);