function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', ' toolbar=0 , scrollbars=1 , location=1 , statusbar=1 , menubar=0 , resizable=1 , width=450 , height=450 , top=20 , left=20 ');");
}