function newwindow(htmname,w,h)
   {
      if (w==0){
         xwidth = 'width=600'
      } else {
          xwidth = 'width=' + w
      }

      if (h==0){
         xheight = 'height=200'
      } else {
         xheight = 'height=' + h
      }
      x = xwidth + ',' + xheight + ',scrollbars=yes,toolbar=no,menubar=no,resizable=yes';

// alert( x );

      neww = window.open( htmname, 'xwin', x );
      neww.focus();
   }

function imgsize( imgname )
   {
   im = new Image;
   im.src = imgname;
   alert( 'width ' + im.width + ', height ' + im.height );
return 55;
   }