// check frame
var url = top.location + "";
var currentPage = window.location + "";
var uindex = url.indexOf("?");
if (uindex<=0) uindex = url.length;

var mainPage = url.substring(url.lastIndexOf("/")+1, uindex);
if (mainPage!="main.htm")
{
	var pageName = currentPage.substring(currentPage.lastIndexOf("/")+1);
	top.location = url.substring(0, url.lastIndexOf("/")+1) + "main.htm?p=" + pageName;
}

top.scroll(0,0);