// Use to open and center a popup window.
function popupWindow(lnk, h, w) {
     var topOffset = (screen.height - h) / 2;
     var leftOffset = (screen.width - w) / 2;
    settings='width='+w+',height='+h+',top='+topOffset+',left='+leftOffset;
    name='defaultName';
    var win = window.open(lnk, name , settings);
}
// Use to open a new window.
function newWindow(lnk) {
    var win = window.open(lnk, "fullscreen");
}