var win=null;
	 function NewWindow(mypage,mywidth,myheight){
	  if (win) { win.close(); }
	  myleft=400;mytop=100
	  settings="width=" + mywidth + ",height=" + myheight + ",top=" + mytop + ",left=" + myleft + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";
	  win=window.open(mypage,"popupWin",settings);
      win.focus();
	 }