function popUp(url,w,h){
    if (typeof w=='undefined' || w==''){w='450'}
    if (typeof h=='undefined' || h==''){h='350'}
    var toolbar = "toolbar=no,location=no,directories=no,menubar=no,scrollbars=yes,resizable=yes,width="+w+",height="+h;
    var myPopup = window.open(url,"MAX_PopUp",toolbar);
    myPopup.focus();
}