function imageSwap(imageLocation, toImage)
{
    imageLocation.src = toImage;
}

function OpenAWindow(imageUrl, width, height)
{
    windowstring = 'toolbar=no,location=no,resizable=yes,status=no,menubars=no,width=' + width + ',height=' + height + ',innerwidth=' + width + ',innerheight=' + height;
    popup=window.open(imageUrl,'popup', windowstring);
    popup.resizeTo(width, height);
    popup.focus();
}