/**
 * goto previous or next page
 * @param {Object} e
 * @param {Object} value
 */
function gotopage(e, value) {
    var i = 6;
	do {
        e = e.parentNode;
    } while (e && ((i--) >= 0) && e.tagName.toUpperCase() != "FORM");
    if (e.tagName.toUpperCase() == "FORM") {
		if (value) { e["pageID"].value=value; }
        e.submit();
    }
}