(function(ids)
{
    for(var i = 0;i < ids.length;i++)
    {
        var node = document.getElementById(ids[i]);
        if(node != null)
        {
            var defaultSrc = node.src;
            node.onmouseover = (function(id,src){return function(){document.getElementById(id).src = src;};})(ids[i],defaultSrc.substring(0,defaultSrc.length - 5) + 'b.gif');
            node.onmouseout = (function(id,src){return function(){document.getElementById(id).src = src};})(ids[i],defaultSrc);
        }
    }
})
(['submit_msearch','submit_t04','submit_t01']);