var winhandle = null;

function NewWindow(mypage, myname, w, h, scroll) {
var ScreenWidth=screen.availWidth;
var ScreenHeight=screen.availHeight;
var x=(ScreenWidth - w)/2;
var y=(ScreenHeight - h)/2;

if ((winhandle != null) && (! winhandle.closed)){
    winhandle.document.images["arlesimage"].src=mypage;
    var isNN=(navigator.appName=="Netscape")?1:0;
    var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;
    if (isNN) {
      winhandle.innerHeight = h + 20;
      winhandle.innerWidth  = w + 20;
      winhandle.innerHeight = h;
      winhandle.innerWidth  = w;
    }
    else if (isIE) {
      winhandle.resizeTo(w + 10, h+29);
      dWidth = w - winhandle.document.body.clientWidth;
      dHeight = h - winhandle.document.body.clientHeight;
      winhandle.resizeBy(dWidth, dHeight);
    }
    else {
      winhandle.resizeTo(w + 10, h+29);
    }
  }
  else
  {
  theAttributs='width='+w+',height='+h+',top='+y+',left='+x+',scrollbars='+scroll+',menubar=no,directories=no';
    winhandle=window.open("", "imagewin", theAttributs );
    with (winhandle.document){
      writeln('<html><head>');
      writeln('<title>Clovis</title>');
      writeln('<meta http-equiv="imagetoolbar" content="no">');
      writeln('</head>');
      writeln('<body topmargin="0" leftmargin="0" style="margin:0px;">');
      writeln('<a href="javascript:window.close();"><img name="image" src="' + mypage + '" style="display:block" border="0"></a>');
      writeln('</body></html>');
      close();
    }
  }

winhandle.focus();
}