var w = window;
function openWin(url) {
   if ((w == window) || w.closed) {
      w = open(url, "_blank", "width=600,height=310,scrollbars=no,toolbar=no,menubar=no,status=no,left=400,top=300");
   } else {
      w.focus();
   }
}



var w2 = window;
function openWin2(url) {
   if ((w2 == window) || w.closed) {
      w2 = open(url, "_blank", "width=600,height=430,scrollbars=no,toolbar=no,menubar=no,status=no,left=5,top=5");
   } else {
      w2.focus();
   }
}