browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)))
if (browser)
{
m19d=new Image(52,20);
m20d=new Image(52,20);
m21d=new Image(57,20);
m22d=new Image(67,20);
m23d=new Image(74,20);
m24d=new Image(54,20);
m19l=new Image(52,20);
m20l=new Image(52,20);
m21l=new Image(57,20);
m22l=new Image(67,20);
m23l=new Image(74,20);
m24l=new Image(54,20);
m19d.src="../pix/next01.gif";
m20d.src="../pix/return01.gif";
m22d.src="../bulletin/pix/contents01.gif";
m23d.src="../bulletin/pix/subscribe03.gif";
m24d.src="../bulletin/pix/archive01.gif";
m19l.src="../pix/next02.gif";
m20l.src="../pix/return02.gif";
m22l.src="../bulletin/pix/contents02.gif";
m23l.src="../bulletin/pix/subscribe04.gif";
m24l.src="../bulletin/pix/archive02.gif";
        }
function ChImg(imgID, imgName)
{
   if (browser) document.images[imgID].src = eval(imgName + ".src")
}