function openPopup(windowURL) {
   windowName = "Popup";
   windowFeatures = "top=0,left=0,width=780,height=560,toolbar=no,location=no,directories=no,status=no,menuBar=yes,scrollBars=yes,resizable=yes";

   PopupWindow = window.open(windowURL, windowName, windowFeatures);
}

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=550,height=350');");
}