if (document.images) { //...mmm...rabbits image1on = new Image(); image1on.src = "boxnav_join_on.gif"; image2on = new Image(); image2on.src = "boxnav_retired_on.gif"; image3on = new Image(); image3on.src = "boxnav_leg_on.gif"; image1off = new Image(); image1off.src = "boxnav_join_off.gif"; image2off = new Image(); image2off.src = "boxnav_retired_off.gif"; image3off = new Image(); image3off.src = "boxnav_leg_off.gif"; } function turnOn(imageName) { if (document.images) { document[imageName].src = eval(imageName + "on.src"); } } function turnOff(imageName) { if (document.images) { document[imageName].src = eval(imageName + "off.src"); } }