var preview_page = "/wenzhang/92/92700/486163792.html";
var next_page = "/wenzhang/92/92700/";
var index_page = "/wenzhang/92/92700/";
function jumpPage() {
if (event.keyCode==37) location=preview_page;
if (event.keyCode==39) location=next_page;
if (event.keyCode==13) location=index_page;
}
document.onkeydown=jumpPage;