Google XSS easter egg

packed:
eval(function(p,a,c,k,e,r){e=function(c){return c.toString(a)};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('5(4.3.6(/2\\([\'"]a[\'"]\\)/))2(\'c\');7 5(4.3.6(/2\\([0-9]/))2(b);7 5(4.3.6(/2\\(8.d/))2(\'q.0.0.1\');7 5(4.3.6(/2\\(8.f/))4.3=\'g://h.i/j/k-l-m-n-o/p.e\';',27,27,'||alert|href|location|if|match|else|document||xss|42|excesses|domain|aspx|cookie|http|allrecipes|com|Recipe|Beths|Spicy|Oatmeal|Raisin|Cookies|Detail|127'.split('|'),0,{}));

unpacked:
if (location.href.match(/alert\(['"]xss['"]\)/)) alert('excesses');
else if (location.href.match(/alert\([0-9]/)) alert(42);
else if (location.href.match(/alert\(document.domain/)) alert('127.0.0.1');
else if (location.href.match(/alert\(document.cookie/)) location.href = 'http://allrecipes.com/Recipe/Beths-Spicy-Oatmeal-Raisin-Cookies/Detail.aspx';

example:
https://www.google.com/appserve/security-bugs/new?rl=<script>alert(43)</script>