function newWindow(mypage,myname,w,h,features) {
  if(screen.width){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  }else{winl = 0;wint =0;}
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + h + ',';
  settings += 'width=' + w + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(mypage,myname,settings);
  win.window.focus();
}

function newWindow2(url,w,h){
	if (window.NewWindow)	{
		if (!window.NewWindow.closed)	{
			NewWindow.close();
		}
	}
	NewWindow=window.open(url,"_NewWindow_","toolbar=0,location=0,status=1,menubar=0,scrollbars=1,resizable=0,width=" + w + ",height=" + h + ",top=0,left=0");
  NewWindow.window.focus();
}

function newWindow3(url){
	var w="500";
	var h="500";
	if (window.NewWindow)	{
		if (!window.NewWindow.closed)	{
			NewWindow.close();
		}
	}
	NewWindow=window.open(url,"_NewWindow_","toolbar=0,location=0,status=1,menubar=0,scrollbars=0,resizable=0,width=" + w + ",height=" + h + ",top=0,left=0");
  NewWindow.window.focus();
}

function newWindow4(url){
	var w="500";
	var h="500";
	if (window.NewWindow)	{
		if (!window.NewWindow.closed)	{
			NewWindow.close();
		}
	}
	NewWindow=window.open(url,"_NewWindow_","toolbar=0,location=0,status=1,menubar=0,scrollbars=yes,resizable=0,width=" + w + ",height=" + h + ",top=0,left=0");
  NewWindow.window.focus();
}