function volta() {
   if (history.length > 0) {
      history.back()
   } else {
     window.close();
   }
}
function gettechURL() {
        var newTitle = encodeURIComponent(document.title.toString().substring(0,9999));
        news1 = "http://technorati.com/search/"+'"'+newTitle+'"';
	    window.open(news1,"_blank");
        return true;      
}
function getblogURL() {
        var str = window.document.URL.toString();
        var x = str.split('&');
        var newTitle = encodeURIComponent(document.title.toString().substring(0,9999));
		var words = newTitle.split('%20');
		var s = words.join("+"); 
		news1 = "http://blogsearch.google.com/blogsearch?hl=pt-br&q="+s+"&btnG=Search+Blogs";
	    window.open(news1,"_blank");
        return true;      
}