Get Magento Connect Extension Keys Without Logging In

1.First Show the Bookmarks Toolbar
2.Then right click on the Bookmark Toolbar and add new bookmark using "New Bookmark..."
3.In the "Location" field add below scipt and save it.

javascript:var%20url='http:'+document.getElementsByTagName('body')[0].innerHTML.match(/.extensionKey20..+?connect20\.magentocommerce\.com.+?\u0022/)[0].split('http:').pop().split('\\').join('').replace(/\u0022/,'');var%20field=document.createElement('input');void%20field.setAttribute('type','text');void%20field.setAttribute('id','text');void%20field.setAttribute('value',url);void%20field.setAttribute('style','width:100%;font-size:24px;position:relative;top:0');void%20document.body.insertBefore(field,document.body.childNodes[0]);