open popup full screen ie firefox chrome

function openFullscreen(page) {
    var yes = 1;
    var no = 0;
    var menubar = no; // The File, Edit, View Menus
    var scrollbars = no; // Horizontal and vertical scrollbars
    var locationbar = no; // The location box with the site URL
    var directories = no; // the "What's New", "What Cool" links
    var resizable = no; // Can the window be resized?
    var statusbar = no; // Status bar (with "Document: Done")
    var toolbar = no; // Back, Forward, Home, Stop toolbar
    if (navigator.appName == "Microsoft Internet Explorer") { // better be ie6 at least
        windowprops = "width=" + (screen.width - 10) + ",height=" + (screen.height - 30) + ",top=0,left=0";
    }
    else { // i.e. if Firefox
        windowprops = "width=" + (screen.width - 5) + ",height=" + (screen.height - 30) + ",top=0,left=0";
    }
    windowprops += (menubar ? ",menubars" : "") +
            (scrollbars ? ",scrollbars" : "") +
            (locationbar ? ",location" : "") +
            (directories ? ",directories" : "") +
            (resizable ? ",resizable" : "") +
            (statusbar ? ",status" : "") +
            (toolbar ? ",toolbar" : "");
    window.open(page, 'fullPopup', windowprops);
    window.opener = top; // this will close opener in ie only (not Firefox)
    // window.opener.print();
    window.close();
}

///////////////////////////////////////////////////
ajax call example

  ScriptManager.RegisterStartupScript(this, typeof(string), "DisplayFile", "openFullscreen('" + Request.QueryString["url"].ToString() + "');", true);