if (document.images ) {

ndefault1 = new Image();
ndefault1.src = "/graphics/addtocart.jpg";
nchanged1 = new Image();
nchanged1.src = "/graphics/addtocarton.jpg";

ndefault2 = new Image();
ndefault2.src = "/graphics/viewcart.jpg";
nchanged2 = new Image();
nchanged2.src = "/graphics/viewcarton.jpg";
}

function Ichange(p) {
	if (document.images) {
	var pSrc=eval(p+ ".src");
	document[iName].src = pSrc;
	}
}