if (document.images)
{
btn01 = new Image();
btn01.src = "pics/btnz/01.gif";
btn01_on = new Image();
btn01_on.src = "pics/btnz/01-on.gif";

btn02 = new Image();
btn02.src = "pics/btnz/02.gif";
btn02_on = new Image();
btn02_on.src = "pics/btnz/02-on.gif";

btn03 = new Image();
btn03.src = "pics/btnz/03.gif";
btn03_on = new Image();
btn03_on.src = "pics/btnz/03-on.gif";

btn04 = new Image();
btn04.src = "pics/btnz/04.gif";
btn04_on = new Image();
btn04_on.src = "pics/btnz/04-on.gif";

btn05 = new Image();
btn05.src = "pics/btnz/05.gif";
btn05_on = new Image();
btn05_on.src = "pics/btnz/05-on.gif";

btn06 = new Image();
btn06.src = "pics/btnz/06.gif";
btn06_on = new Image();
btn06_on.src = "pics/btnz/06-on.gif";

btn07 = new Image();
btn07.src = "pics/btnz/07.gif";
btn07_on = new Image();
btn07_on.src = "pics/btnz/07-on.gif";
}

function msover(name)
{
if (document.images)
document.images[name].src = eval (name + "_on.src");
}

function msout(name)
{ 
if (document.images)
document.images[name].src = eval (name + ".src");
}