if (document.images) {				
                  m1on = new Image(200,42);
                  m1on.src="images/m1on.gif"; /*aboutACE*/
                  m2on = new Image(200,41);
                  m2on.src="images/m2on.gif"; /*festivals*/
                  m3on = new Image(200,40);
                  m3on.src="images/m3on.gif"; /*center*/
                  m4on = new Image(200,28);
                  m4on.src="images/m4on.gif"; /*friends*/
                  m5on = new Image(200,27);
                  m5on.src="images/m5on.gif"; /*catalog*/
                  m6on = new Image(200,41);
                  m6on.src="images/m6on.gif"; /*changetimes*/

                  sm6on = new Image(116,40);
                  sm6on.src="images/sm6on.gif"; /*contactus*/
                  sm7on = new Image(107,40);
                  sm7on.src="images/sm7on.gif"; /*sitemap*/
                  sm8on = new Image(106,40);
                  sm8on.src="images/sm8on.gif"; /*members*/
                  sm9on = new Image(129,40);
                  sm9on.src="images/sm9on.gif"; /*mailinglist*/

                  m1off = new Image(200,42);
                  m1off.src="images/m1off.gif";
                  m2off = new Image(200,41);
                  m2off.src="images/m2off.gif"
                  m3off = new Image(200,40);
                  m3off.src="images/m3off.gif";
                  m4off = new Image(200,28);
                  m4off.src="images/m4off.gif";
                  m5off = new Image(200,27);
                  m5off.src="images/m5off.gif";
                  m6off = new Image(200,41);
                  m6off.src="images/m6off.gif";

                  sm6off = new Image(116,40);
                  sm6off.src="images/sm6off.gif"; /*contactus*/
                  sm7off = new Image(107,40);
                  sm7off.src="images/sm7off.gif"; /*sitemap*/
                  sm8off = new Image(106,40);
                  sm8off.src="images/sm8off.gif"; /*members*/
                  sm9off = new Image(129,40);
                  sm9off.src="images/sm9off.gif"; /*mailinglist*/
                  }

function img_act(imgName) {
    if (document.images) {
    document[imgName].src = eval(imgName + "on.src");
    }
}

function img_inact(imgName) {
    if (document.images) {
    document[imgName].src = eval(imgName + "off.src");
    }
}