var newWindow = null;

function closeWin() {
    if (newWindow != null) {
        if (!newWindow.closed) {
            newWindow.close();
        }
    }
}

function popUpWin(url, type, strWidth, strHeight) {
    closeWin();
    if (type == "fullScreen") {
        strWidth = screen.availWidth - 10;
        strHeight = screen.availHeight - 160;
    }
    var tools = "";
    if (type == "standard") {
        tools = "resizable,toolbar=no,location=no,scrollbars=no,menubar=no,width=" + strWidth + ",height=" + strHeight + ",top=50,left=50";
    }
    newWindow = window.open(url, "newWin", tools);
    newWindow.focus();
}