Grease-monkey script to load html pages one by one

evolution.User.js

setTimeout( function () {  try { i = GM_getValue("INDEX" , -11 );  
				if(i == -11){ GM_setValue("INDEX",1); }
				else{  
					url="http://localhost/HTML/fuzzy-"+i.toFixed()+".html"; 
					window.location.replace(url); 
					i+=1
					GM_setValue("INDEX",i);
				}
			       }catch(e){alert(e);}	
			},			
		30
	);