function showPopupWindow(sUrl, sWindowName, iWidth, iHeight)
{
    var oWindow = window.open(sUrl, sWindowName, 'width=' + iWidth.toString() + ',height=' + iHeight.toString() + ',location=no,scrollbars=yes');
    oWindow.focus(); 
}

function showResizablePopupWindow(sUrl, sWindowName, iWidth, iHeight)
{
    var oWindow = window.open(sUrl, sWindowName, 'width=' + iWidth.toString() + ',height=' + iHeight.toString() + ',location=no,scrollbars=yes,resizable=yes');
    oWindow.focus(); 
}