Crawl Sequential URLs

public static ToolsAction("Crawl Sequential URLs") 
function doCrawl(){ 
	var sBase: String;
	var sInt: String;

	sBase = FiddlerObject.prompt("Enter base URL with ## in place of the start integer", "http://www.example.com/img##.jpg");
	sInt = FiddlerObject.prompt("Start At", "1");
	var iFirst = int.Parse(sInt);
	sInt = FiddlerObject.prompt("End At", "12");
	var iLast = int.Parse(sInt);

	for (var x=iFirst; x<=iLast; x++)
	{
	//Replace 's' with your HTTP Request. Note: \ is a special character in JScript
	// If you want to represent a backslash in a string constant, double it like \\ 
	var s = "GET " + sBase.Replace("##", x.ToString()) + " HTTP/1.0\r\n\r\n"; 
	var b=false;
	while(!b){
	try{
		FiddlerObject.utilIssueRequest(s);
		b=true;
	}
	catch(e){
		var iT = Environment.TickCount + 10000;
		FiddlerObject.StatusText = "Waiting 10 sec because we have too many requests outstanding...";
		while (iT > Environment.TickCount){ Application.DoEvents(); }
		} 
	}
	}
}