var img1on = new Image(); 
img1on.src = "photobutton2.gif"; 
var img1off = new Image(); 
img1off.src = "photobutton1.gif"; 
var img1press = new Image(); 
img1press.src = "photobutton3.gif";
var img2on = new Image(); 
img2on.src = "webdesign2.gif"; 
var img2off = new Image(); 
img2off.src = "webdesign1.gif"; 
var img2press = new Image(); 
img2press.src = "webdesign3.gif";
var img3on = new Image(); 
img3on.src = "dumaisbutton2.gif"; 
var img3off = new Image(); 
img3off.src = "dumaisbutton1.gif"; 
var img3press = new Image(); 
img3press.src = "dumaisbutton3.gif";