url = new Array(
	"index.html",
	"201201.html",
	"201112.html",
	"201111.html",
	"201110.html",
	"201109.html",
	"201108.html",
	"201107.html",
	"201106.html",
	"201105.html",
	"201104.html",
	"201103.html",
	"201102.html",
	"201101.html",
	"201012.html",
	"201011.html",
	"201010.html",
	"201009.html",
	"201010.html",
	"201008.html",
	"201007.html",
	"201006.html",
	"201005.html",
	"201004.html",
	"201003.html",
	"201002.html",
	"201001.html"
);
function jump() {
	if (window.document.frame.form1.sel.selectedIndex != 0) {
		location.href = url[document.frame.form1.sel.selectedIndex - 1];
	}
}