function loadPage(num, pageNamePattern) {

     var i = 1;

    var page = getPage(i, pageNamePattern);

    while (page != null) {

        page.style.display = "none";

        i++;

        page = getPage(i, pageNamePattern);

    }

    getPage(num, pageNamePattern).style.display = "block";

}





function getPage(num, pageNamePattern) {

    return eval("document.getElementById('" + pageNamePattern + "_" + num + "');");

}