function premvp(URL) {
day = new Date();
id = day.getTime();
sURL = "http://control.mvp.schooltube.com/preview.php?id=" + URL;
eval("page" + id + " = window.open(sURL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=260,height=480,left = 0,top = 0');");
}