function prodswap(img) { 
	var o = document.images.product;
    setBlend(o);
    o.src = "i/hiw_" + img + ".gif"; 
    startBlend(o);
}

function setBlend(o){
	if (document.all) { 
   		o.style.filter="blendTrans(duration=1)"; 
   		o.filters.blendTrans.Apply(); 
   	}    	
}
	
function startBlend(o){
	if (document.all) { o.filters.blendTrans.Play(); } 
}