function NewWindow(mypage, myname, w, h, scroll){

  var winl = (screen.width - w) / 2;

  var wint = (screen.height - h) / 2;

  winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'

  win = window.open(mypage, myname, winprops)

  if (parseInt(navigator.appVersion) >= 4){ 

    win.window.focus(); 

    }

  }



var submitcount=0;

function submitonce()

  { 

  if (submitcount == 0)

    {

    submitcount++;

    return true;

    }

  else

    {

    alert("This form has already been submitted.  Thanks!");

    return false;

    }

  }



function confirmSubmit(){

var agree=confirm("Are you sure you wish to continue?");

if (agree)

  return true ;

else

  return false ;

}



function confirmDel(entrytext){

var agree=confirm(entrytext);

if (agree)

  return true ;

else

  return false ;

}