function StringBuffer(){this.buffer=[]}StringBuffer.prototype.append=function append(string){this.buffer[this.buffer.length]=string;return this};StringBuffer.prototype.toString=function toString(){return this.buffer.join("")};function loadStylesheet(filename,media){if(!(document.getElementById)||!(document.childNodes)||!(document.createElement)||!(document.getElementsByTagName)){return}var link=document.createElement("link");link.href=filename;link.rel="stylesheet";link.type="text/css";link.media=media;document.getElementsByTagName('head')[0].appendChild(link)}