function openWin(thisUrl,thisWindow,thisWidth,thisHeight,thisTop,thisLeft) {
    return false;
}
var w = window;
function openWin(thisUrl,thisWindow,thisWidth,thisHeight,thisTop,thisLeft) {
optionString = ('width=' + thisWidth + ',height=' + thisHeight + ',top=' + thisTop + ',left=' + thisLeft + ',status=no,menubar=no,resizable=yes,scrollbars=yes');
   if ((w == window) || w.closed) {
      w = open(thisUrl,thisWindow,optionString);
   } else {
      w.focus();
   }
   return(false);
}
//
// <A HREF="www.htm" onClick="return openWin('www.htm','Title',600,400,0,0)">[開く]</A>
// のように書く
//