function changeProdImage(newref){
document.getElementById('prodimage').src = newref;
}

function oplgim(im,w,h){
window.open('largeimage.php?id='+im+'&w='+w+'&h='+h,'a1w','toolbar=0,scrollbars=1,width=800,height=600,top=0,left=0,location=0');
}