if (document.images) {

            Limg1on = new Image();

            Limg1on.src = "images/nav_mem01b.gif";


            Limg2on = new Image();

            Limg2on.src = "images/nav_mem02b.gif";


            Limg3on = new Image();

            Limg3on.src = "images/nav_mem03b.gif";


            Limg4on = new Image();

            Limg4on.src = "images/nav_mem04b.gif";


            Limg5on = new Image();

            Limg5on.src = "images/nav_mem05b.gif";


            Limg6on = new Image();

            Limg6on.src = "images/nav_mem06b.gif";


			Limg7on = new Image();

            Limg7on.src = "images/nav_mem07b.gif";


			Limg8on = new Image();

            Limg8on.src = "images/nav_mem08b.gif";


			Limg9on = new Image();

            Limg9on.src = "images/nav_mem09b.gif";


			Limg10on = new Image();

            Limg10on.src = "images/nav_mem10b.gif";


			Limg11on = new Image();

            Limg11on.src = "images/nav_mem11b.gif";





            Limg1off = new Image();

            Limg1off.src = "images/nav_mem01a.gif";


            Limg2off = new Image();

            Limg2off.src = "images/nav_mem02a.gif";


            Limg3off = new Image();

            Limg3off.src = "images/nav_mem03a.gif";


            Limg4off = new Image();

            Limg4off.src = "images/nav_mem04a.gif";


            Limg5off = new Image();

            Limg5off.src = "images/nav_mem05a.gif";


            Limg6off = new Image();

            Limg6off.src = "images/nav_mem06a.gif";


            Limg7off = new Image();

            Limg7off.src = "images/nav_mem07a.gif";


            Limg8off = new Image();

            Limg8off.src = "images/nav_mem08a.gif";


            Limg9off = new Image();

            Limg9off.src = "images/nav_mem09a.gif";


            Limg10off = new Image();

            Limg10off.src = "images/nav_mem10a.gif";


            Limg11off = new Image();

            Limg11off.src = "images/nav_mem11a.gif";






        }


function imgOn(imgName) {

        if (document.images) {

            document[imgName].src = eval(imgName + "on.src");

        }

}


function imgOff(imgName) {

        if (document.images) {

            document[imgName].src = eval(imgName + "off.src");

        }

}