if (document.images) {            // Active Images

            img0on = new Image();      

            img0on.src = "home2.gif"; 



            img0off = new Image(); 

            img0off.src = "home1.gif"; 



            img1on = new Image();      

            img1on.src = "memb2.gif"; 



            img1off = new Image(); 

            img1off.src = "memb1.gif"; 



            img2on = new Image();      

            img2on.src = "comm2.gif"; 



            img2off = new Image(); 

            img2off.src = "comm1.gif"; 



            img3on = new Image();      

            img3on.src = "educ2.gif"; 



            img3off = new Image(); 

            img3off.src = "educ1.gif"; 



            img4on = new Image();      

            img4on.src = "link2.gif"; 



            img4off = new Image(); 

            img4off.src = "link1.gif"; 



       }



// Function to 'activate' images.

function imgOn(imgName) {

        if (document.images) {

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

        }

}



// Function to 'deactivate' images.

function imgOff(imgName) {

        if (document.images) {

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

        }

}