function makeWin(tUrl, strheight, strwidth) {
    agent = navigator.userAgent;
    windowName = "DefinitionWindow";

    var vwidth = strwidth;
    var vheight = strheight;
    var vtop = ((screen.height - vheight) / 2);
    var vleft = ((screen.width - vwidth) / 2);
    params = "";
    params += "toolbar=0,";
    params += "location=0,";
    params += "directories=0,";
    params += "status=0,";
    params += "menubar=0,";
    params += "scrollbars=1,";
    params += "resizable=1,";
    params += "width=" + vwidth + ",";
    params += "height=" + vheight + ",";
    params += "top=" + vtop + ",";
    params += "left=" + vleft;

    win = window.open(tUrl, windowName, params);
    if (agent.indexOf("Mozilla/2") != -1 && agent.indexOf("Win") == -1) {
        win = window.open(url, windowName, params);
    }
    if (!win.opener) {
        win.opener = window;
    }
}