if (document.images) {

//  on
img1on = new Image();
img1on.src = "oz3.jpg";

// off
img1off = new Image();
img1off.src = "oz.jpg";

//  on
img2on = new Image();
img2on.src = "horn3.jpg";

// off
img2off = new Image();
img2off.src = "horn.jpg";


//  on
img3on = new Image();
img3on.src = "shorts3.jpg";


// off
img3off = new Image();
img3off.src = "shorts.gif";


//  on
img4on = new Image();
img4on.src = "pomes3.jpg";


// off
img4off = new Image();
img4off.src = "pomes.jpg";


//  on
img5on = new Image();
img5on.src = "rimbaud3.jpg";


// off
img5off = new Image();
img5off.src = "rimbaud1.jpg";


//  on
img6on = new Image();
img6on.src = "more3.jpg";


// off
img6off = new Image();
img6off.src = "more2.jpg";
}



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

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