function playSound(a){var b=document.createElement("embed");b.setAttribute("type","application/x-mplayer2");b.setAttribute("src",a);b.setAttribute("hidden",true);b.setAttribute("autostart",true);b.setAttribute("width",0);b.setAttribute("height",0);b.setAttribute("enablejavascript",true);document.body.appendChild(b)}function getRandomItem(a){return a[Math.floor(Math.random()*a.length)]}function getRandomString(){var r='',arg;for(a=0;a<arguments.length;a++){arg=arguments[a];r+=isArray(arg)?getRandomItem(arg):arg.toString()}return r}function isArray(a){return a.constructor==Array}