mxPrintPreview.prototype.writeHead=function(a,b){null!=this.title&&a.writeln("<title>"+this.title+"</title>");mxClient.link("stylesheet",mxClient.basePath+"/css/common.css",a);a.writeln('<style type="text/css">');a.writeln("@media print {");a.writeln("  * { -webkit-print-color-adjust: exact; }");a.writeln("  table.mxPageSelector { display: none; }");a.writeln("  hr.mxPageBreak { display: none; }");a.writeln("}");a.writeln("@media screen {");a.writeln("  table.mxPageSelector { position: fixed; right: 10px; top: 10px;font-family: Arial; font-size:10pt; border: solid 1px darkgray;background: white; border-collapse:collapse; }");