function popUp(url, w, h){
    aWindow=window.open(url,'Popup',"toolbar=no,scrollbars=no,status=no,resizable=no,menubar=no,width="+w+",height="+h+"");
}

function popUpWithScrollBars(url, w, h){
    aWindow=window.open(url,'Popup',"toolbar=no,scrollbars=yes,status=no,resizable=no,menubar=no,width="+w+",height="+h+"");
}