var mxStylesheetCodec=mxCodecRegistry.register(function(){var a=new mxObjectCodec(new mxStylesheet);a.encode=function(b,c){var d=b.document.createElement(this.getName()),e;for(e in c.styles){var f=c.styles[e],g=b.document.createElement("add");if(null!=e){g.setAttribute("as",e);for(var k in f){var l=this.getStringValue(k,f[k]);if(null!=l){var m=b.document.createElement("add");m.setAttribute("value",l);m.setAttribute("as",k);g.appendChild(m)}}0<g.childNodes.length&&d.appendChild(g)}}return d};a.getStringValue=