function popupWindow(url,width,height){
	var strName, args=arguments, LeftPosition, TopPosition;
	
	LeftPosition = (screen.width-width)/2;
	TopPosition = (screen.height-height)/2;

	strName='';
	if (args.length>3)
		strName=args[4];
	var win=window.open(url,strName,"titlebar=yes,resizable=yes,height=" + height + ",width=" + width + ",top=" + TopPosition + ",left=" + LeftPosition + ",menubar=0,toolbar=0,scrollbars=yes");
	if (win!=null){
		win.onerror=function(){return true;}
		win.focus();
	}
}


function wopen(url, name, w, h)
{
  // Fudge factors for window decoration space.
  // In my tests these work well on all platforms & browsers.
  w += 32;
  h += 96;
  wleft = (screen.width - w) / 2;
  wtop = (screen.height - h) / 2;
  // IE5 and other old browsers might allow a window that is
  // partially offscreen or wider than the screen. Fix that.
  // (Newer browsers fix this for us, but let's be thorough.)
  if (wleft < 0) {
    w = screen.width;
    wleft = 0;
  }
  if (wtop < 0) {
    h = screen.height;
    wtop = 0;
  }
  var win = window.open(url,
    name,
    'width=' + w + ', height=' + h + ', ' +
    'left=' + wleft + ', top=' + wtop + ', ' +
    'location=no, menubar=no, ' +
    'status=no, toolbar=no, scrollbars=no, resizable=no');
  // Just in case width and height are ignored
  win.resizeTo(w, h);
  // Just in case left and top are ignored
  win.moveTo(wleft, wtop);
  win.focus();
}


function popupWindowNoTitle(url,width,height){
	var strName, args=arguments, LeftPosition, TopPosition;
	
	LeftPosition = (screen.width-width)/2;
	TopPosition = (screen.height-height)/2;

	strName='';
	if (args.length>3)
		strName=args[4];
	var win=window.open(url,strName,"titlebar=0,resizable=1,height=" + height + ",width=" + width + ",top=" + TopPosition + ",left=" + LeftPosition + ",menubar=0,toolbar=0,scrollbars=no");
	if (win!=null){
		win.onerror=function(){return true;}
		win.focus();
	}
}