var w = window;
function openWin(url) {
   if ((w == window) || w.closed) {
      w = open(url, "newwin", "width=350,height=450");
   } else {
      w.focus();
      w = open(url, "newwin", "width=350,height=450");
   }
   return(false);
}
var x = window;
function openWin2(url) {
   if ((x == window) || x.closed) {
      x = open(url, "newwin2");
      x.focus();
   } else {
      x.focus();
      x = open(url, "newwin2");
   }
   return(false);
}